313857939402 has 64 divisors (see below), whose sum is σ = 797192847360. Its totient is φ = 89663198832.

The previous prime is 313857939401. The next prime is 313857939403. The reversal of 313857939402 is 204939758313.

313857939402 is a `hidden beast` number, since 3 + 1 + 38 + 579 + 39 + 4 + 0 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (313857939401) and next prime (313857939403).

It is a super-2 number, since 2×313857939402² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (313857939401) 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 31 ways as a sum of consecutive naturals, for example, 3533143 + ... + 3620885.

It is an arithmetic number, because the mean of its divisors is an integer number (12456138240).

Almost surely, 2^313857939402 is an apocalyptic number.

313857939402 is an abundant number, since it is smaller than the sum of its proper divisors (483334907958).

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

313857939402 is a wasteful number, since it uses less digits than its factorization.

313857939402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97224 (or 97218 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 313857939402 in words is "three hundred thirteen billion, eight hundred fifty-seven million, nine hundred thirty-nine thousand, four hundred two".