331403368516085 has 64 divisors (see below), whose sum is σ = 420912861557760. Its totient is φ = 249990004408320.

The previous prime is 331403368516019. The next prime is 331403368516091. The reversal of 331403368516085 is 580615863304133.

It is not a de Polignac number, because 331403368516085 - 2¹⁰ = 331403368515061 is a prime.

It is a super-2 number, since 2×331403368516085² (a number of 30 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 331403368516085.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7447746557 + ... + 7447791053.

It is an arithmetic number, because the mean of its divisors is an integer number (6576763461840).

Almost surely, 2^{331403368516085} is an apocalyptic number.

It is an amenable number.

331403368516085 is a deficient number, since it is larger than the sum of its proper divisors (89509493041675).

331403368516085 is a wasteful number, since it uses less digits than its factorization.

331403368516085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47478.

The product of its (nonzero) digits is 18662400, while the sum is 56.

The spelling of 331403368516085 in words is "three hundred thirty-one trillion, four hundred three billion, three hundred sixty-eight million, five hundred sixteen thousand, eighty-five".