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313313112 = 233271933221
BaseRepresentation
bin10010101011001…
…100011101011000
3210211112221210100
4102223030131120
51120202004422
651031215400
710523055210
oct2253143530
9724487710
10313313112
11150947862
1288b17560
134cbac698
142d87b240
151c78d7ac
hex12acc758

313313112 has 96 divisors (see below), whose sum is σ = 975106080. Its totient is φ = 89026560.

The previous prime is 313313101. The next prime is 313313113. The reversal of 313313112 is 211313313.

It is a happy number.

It is a super-2 number, since 2×3133131122 = 196330212302249088, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (313313113) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 95662 + ... + 98882.

It is an arithmetic number, because the mean of its divisors is an integer number (10157355).

Almost surely, 2313313112 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 313313112, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487553040).

313313112 is an abundant number, since it is smaller than the sum of its proper divisors (661792968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313313112 is a wasteful number, since it uses less digits than its factorization.

313313112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3433 (or 3426 counting only the distinct ones).

The product of its digits is 162, while the sum is 18.

The square root of 313313112 is about 17700.6528693153. The cubic root of 313313112 is about 679.1924612198.

Adding to 313313112 its reverse (211313313), we get a palindrome (524626425).

It can be divided in two parts, 31331 and 3112, that added together give a palindrome (34443).

The spelling of 313313112 in words is "three hundred thirteen million, three hundred thirteen thousand, one hundred twelve".

Divisors: 1 2 3 4 6 7 8 9 12 14 18 21 24 28 36 42 56 63 72 84 126 168 193 252 386 504 579 772 1158 1351 1544 1737 2316 2702 3221 3474 4053 4632 5404 6442 6948 8106 9663 10808 12159 12884 13896 16212 19326 22547 24318 25768 28989 32424 38652 45094 48636 57978 67641 77304 90188 97272 115956 135282 180376 202923 231912 270564 405846 541128 621653 811692 1243306 1623384 1864959 2486612 3729918 4351571 4973224 5594877 7459836 8703142 11189754 13054713 14919672 17406284 22379508 26109426 34812568 39164139 44759016 52218852 78328278 104437704 156656556 313313112