313104430421312 has 56 divisors (see below), whose sum is σ = 621911600243400. Its totient is φ = 156402310772736.

The previous prime is 313104430421309. The next prime is 313104430421347. The reversal of 313104430421312 is 213124034401313.

It can be written as a sum of positive squares in 4 ways, for example, as 78295881462016 + 234808548959296 = 8848496^2 + 15323464^2 .

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1378879178 + ... + 1379106230.

Almost surely, 2^{313104430421312} is an apocalyptic number.

313104430421312 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

313104430421312 is a deficient number, since it is larger than the sum of its proper divisors (308807169822088).

313104430421312 is a wasteful number, since it uses less digits than its factorization.

313104430421312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 247603 (or 247593 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 313104430421312 its reverse (213124034401313), we get a palindrome (526228464822625).

The spelling of 313104430421312 in words is "three hundred thirteen trillion, one hundred four billion, four hundred thirty million, four hundred twenty-one thousand, three hundred twelve".