2031311132100 has 54 divisors (see below), whose sum is σ = 6367031895770. Its totient is φ = 541682968320.

The previous prime is 2031311132087. The next prime is 2031311132111. The reversal of 2031311132100 is 12311131302.

2031311132100 is a `hidden beast` number, since 2 + 0 + 31 + 311 + 1 + 321 + 0 + 0 = 666.

It can be written as a sum of positive squares in 3 ways, for example, as 514467645696 + 1516843486404 = 717264^2 + 1231602^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 1128505285 + ... + 1128507084.

Almost surely, 2^{2031311132100} is an apocalyptic number.

2031311132100 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2031311132100 is an abundant number, since it is smaller than the sum of its proper divisors (4335720763670).

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

2031311132100 is a wasteful number, since it uses less digits than its factorization.

2031311132100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2257012389 (or 2257012379 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 2031311132100 its reverse (12311131302), we get a palindrome (2043622263402).

The spelling of 2031311132100 in words is "two trillion, thirty-one billion, three hundred eleven million, one hundred thirty-two thousand, one hundred".