313500978612 has 288 divisors, whose sum is σ = 908298728064. Its totient is φ = 94133145600.

The previous prime is 313500978601. The next prime is 313500978641. The reversal of 313500978612 is 216879005313.

313500978612 is a `hidden beast` number, since 3 + 13 + 500 + 9 + 78 + 61 + 2 = 666.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 35902287 + ... + 35911017.

It is an arithmetic number, because the mean of its divisors is an integer number (3153815028).

Almost surely, 2^313500978612 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 313500978612, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (454149364032).

313500978612 is an abundant number, since it is smaller than the sum of its proper divisors (594797749452).

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

313500978612 is a wasteful number, since it uses less digits than its factorization.

313500978612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8861 (or 8847 counting only the distinct ones).

The product of its (nonzero) digits is 272160, while the sum is 45.

The spelling of 313500978612 in words is "three hundred thirteen billion, five hundred million, nine hundred seventy-eight thousand, six hundred twelve".