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313331130 = 23257497351
BaseRepresentation
bin10010101011010…
…000110110111010
3210211120212111200
4102223100312322
51120203044010
651031435030
710523161560
oct2253206672
9724525450
10313331130
1115095a352
1288b25a76
134cbb7948
142d883a30
151c793cc0
hex12ad0dba

313331130 has 48 divisors (see below), whose sum is σ = 931042944. Its totient is φ = 71618400.

The previous prime is 313331129. The next prime is 313331201. The reversal of 313331130 is 31133313.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 248046 + ... + 249305.

It is an arithmetic number, because the mean of its divisors is an integer number (19396728).

Almost surely, 2313331130 is an apocalyptic number.

313331130 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

313331130 is an abundant number, since it is smaller than the sum of its proper divisors (617711814).

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

313331130 is a wasteful number, since it uses less digits than its factorization.

313331130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 497371 (or 497368 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

The square root of 313331130 is about 17701.1618262757. The cubic root of 313331130 is about 679.2054806294.

Adding to 313331130 its reverse (31133313), we get a palindrome (344464443).

The spelling of 313331130 in words is "three hundred thirteen million, three hundred thirty-one thousand, one hundred thirty".

Divisors: 1 2 3 5 6 7 9 10 14 15 18 21 30 35 42 45 63 70 90 105 126 210 315 630 497351 994702 1492053 2486755 2984106 3481457 4476159 4973510 6962914 7460265 8952318 10444371 14920530 17407285 20888742 22380795 31333113 34814570 44761590 52221855 62666226 104443710 156665565 313331130