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313311132 = 22332901029
BaseRepresentation
bin10010101011001…
…011111110011100
3210211112212002000
4102223023332130
51120201424012
651031202300
710523046351
oct2253137634
9724485060
10313311132
11150946322
1288b16390
134cbab804
142d87a628
151c78cddc
hex12acbf9c

313311132 has 24 divisors (see below), whose sum is σ = 812288400. Its totient is φ = 104437008.

The previous prime is 313311113. The next prime is 313311133. The reversal of 313311132 is 231113313.

It is a happy number.

313311132 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 (313311133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1450407 + ... + 1450622.

It is an arithmetic number, because the mean of its divisors is an integer number (33845350).

Almost surely, 2313311132 is an apocalyptic number.

It is an amenable number.

313311132 is an abundant number, since it is smaller than the sum of its proper divisors (498977268).

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

313311132 is a wasteful number, since it uses less digits than its factorization.

313311132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2901042 (or 2901034 counting only the distinct ones).

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

The square root of 313311132 is about 17700.5969390865. The cubic root of 313311132 is about 679.1910304850.

Adding to 313311132 its reverse (231113313), we get a palindrome (544424445).

The spelling of 313311132 in words is "three hundred thirteen million, three hundred eleven thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 9 12 18 27 36 54 108 2901029 5802058 8703087 11604116 17406174 26109261 34812348 52218522 78327783 104437044 156655566 313311132