31453025121 has 24 divisors (see below), whose sum is σ = 51933772800. Its totient is φ = 17969239296.

The previous prime is 31453025101. The next prime is 31453025137. The reversal of 31453025121 is 12152035413.

31453025121 is a `hidden beast` number, since 3 + 1 + 4 + 530 + 2 + 5 + 121 = 666.

It is not a de Polignac number, because 31453025121 - 2⁵ = 31453025089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (31453025101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 250321 + ... + 354353.

It is an arithmetic number, because the mean of its divisors is an integer number (2163907200).

Almost surely, 2^31453025121 is an apocalyptic number.

It is an amenable number.

31453025121 is a deficient number, since it is larger than the sum of its proper divisors (20480747679).

31453025121 is a wasteful number, since it uses less digits than its factorization.

31453025121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108845 (or 108842 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The spelling of 31453025121 in words is "thirty-one billion, four hundred fifty-three million, twenty-five thousand, one hundred twenty-one".