331503801358656 has 112 divisors (see below), whose sum is σ = 877607385808896. Its totient is φ = 110437842138624.

The previous prime is 331503801358649. The next prime is 331503801358669. The reversal of 331503801358656 is 656853108305133.

It is a happy number.

It is a super-2 number, since 2×331503801358656² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 331503801358596 and 331503801358605.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2499076525 + ... + 2499209171.

Almost surely, 2^{331503801358656} is an apocalyptic number.

It is an amenable number.

331503801358656 is an abundant number, since it is smaller than the sum of its proper divisors (546103584450240).

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

331503801358656 is a wasteful number, since it uses less digits than its factorization.

331503801358656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140036 (or 140026 counting only the distinct ones).

The product of its (nonzero) digits is 23328000, while the sum is 57.

The spelling of 331503801358656 in words is "three hundred thirty-one trillion, five hundred three billion, eight hundred one million, three hundred fifty-eight thousand, six hundred fifty-six".