21031045301232 has 120 divisors (see below), whose sum is σ = 58903970081216. Its totient is φ = 7004841804288.

The previous prime is 21031045301207. The next prime is 21031045301257. The reversal of 21031045301232 is 23210354013012.

21031045301232 is a `hidden beast` number, since 2 + 1 + 0 + 3 + 1 + 0 + 4 + 530 + 123 + 2 = 666.

It is an interprime number because it is at equal distance from previous prime (21031045301207) and next prime (21031045301257).

It is a junction number, because it is equal to n+sod(n) for n = 21031045301196 and 21031045301205.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1066635438 + ... + 1066655154.

Almost surely, 2^{21031045301232} is an apocalyptic number.

It is an amenable number.

21031045301232 is an abundant number, since it is smaller than the sum of its proper divisors (37872924779984).

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

21031045301232 is a wasteful number, since it uses less digits than its factorization.

21031045301232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25175 (or 25166 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 21031045301232 its reverse (23210354013012), we get a palindrome (44241399314244).

The spelling of 21031045301232 in words is "twenty-one trillion, thirty-one billion, forty-five million, three hundred one thousand, two hundred thirty-two".