313245421056 has 60 divisors (see below), whose sum is σ = 904047507792. Its totient is φ = 104415138816.

The previous prime is 313245421003. The next prime is 313245421087. The reversal of 313245421056 is 650124542313.

313245421056 is a `hidden beast` number, since 3 + 1 + 3 + 2 + 4 + 542 + 105 + 6 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 313245421056.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 33984696 + ... + 33993911.

Almost surely, 2^313245421056 is an apocalyptic number.

313245421056 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

313245421056 is an abundant number, since it is smaller than the sum of its proper divisors (590802086736).

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

313245421056 is an equidigital number, since it uses as much as digits as its factorization.

313245421056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67978631 (or 67978612 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

Adding to 313245421056 its reverse (650124542313), we get a palindrome (963369963369).

The spelling of 313245421056 in words is "three hundred thirteen billion, two hundred forty-five million, four hundred twenty-one thousand, fifty-six".