331122013000002 has 48 divisors (see below), whose sum is σ = 837366306446592. Its totient is φ = 92593389651840.

The previous prime is 331122012999991. The next prime is 331122013000007. The reversal of 331122013000002 is 200000310221133.

331122013000002 is a `hidden beast` number, since 3 + 311 + 220 + 130 + 0 + 0 + 0 + 0 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is not an unprimeable number, because it can be changed into a prime (331122013000007) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 27956935399 + ... + 27956947242.

It is an arithmetic number, because the mean of its divisors is an integer number (17445131384304).

Almost surely, 2^{331122013000002} is an apocalyptic number.

331122013000002 is an abundant number, since it is smaller than the sum of its proper divisors (506244293446590).

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

331122013000002 is a wasteful number, since it uses less digits than its factorization.

331122013000002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55913882703 (or 55913882700 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 331122013000002 its reverse (200000310221133), we get a palindrome (531122323221135).

The spelling of 331122013000002 in words is "three hundred thirty-one trillion, one hundred twenty-two billion, thirteen million, two", and thus it is an aban number.