31589045873 has 48 divisors (see below), whose sum is σ = 42728269824. Its totient is φ = 22673245440.

The previous prime is 31589045867. The next prime is 31589045881. The reversal of 31589045873 is 37854098513.

It is not a de Polignac number, because 31589045873 - 2⁴ = 31589045857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31589045473) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1030790 + ... + 1060992.

It is an arithmetic number, because the mean of its divisors is an integer number (890172288).

Almost surely, 2^31589045873 is an apocalyptic number.

It is an amenable number.

31589045873 is a deficient number, since it is larger than the sum of its proper divisors (11139223951).

31589045873 is a wasteful number, since it uses less digits than its factorization.

31589045873 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30302 (or 30285 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 53.

The spelling of 31589045873 in words is "thirty-one billion, five hundred eighty-nine million, forty-five thousand, eight hundred seventy-three".