2031902002056 has 64 divisors (see below), whose sum is σ = 5291849102400. Its totient is φ = 649581440000.

The previous prime is 2031902002049. The next prime is 2031902002069. The reversal of 2031902002056 is 6502002091302.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 17441445 + ... + 17557556.

It is an arithmetic number, because the mean of its divisors is an integer number (82685142225).

Almost surely, 2^{2031902002056} is an apocalyptic number.

It is an amenable number.

2031902002056 is an abundant number, since it is smaller than the sum of its proper divisors (3259947100344).

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

2031902002056 is a wasteful number, since it uses less digits than its factorization.

2031902002056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34999110 (or 34999106 counting only the distinct ones).

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 2031902002056 its reverse (6502002091302), we get a palindrome (8533904093358).

The spelling of 2031902002056 in words is "two trillion, thirty-one billion, nine hundred two million, two thousand, fifty-six".