31428574125 has 64 divisors (see below), whose sum is σ = 56493056256. Its totient is φ = 15424992000.

The previous prime is 31428574117. The next prime is 31428574127. The reversal of 31428574125 is 52147582413.

It is not a de Polignac number, because 31428574125 - 2³ = 31428574117 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31428574127) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1603887 + ... + 1623363.

It is an arithmetic number, because the mean of its divisors is an integer number (882704004).

Almost surely, 2^31428574125 is an apocalyptic number.

It is an amenable number.

31428574125 is a deficient number, since it is larger than the sum of its proper divisors (25064482131).

31428574125 is a wasteful number, since it uses less digits than its factorization.

31428574125 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19839 (or 19829 counting only the distinct ones).

The product of its digits is 268800, while the sum is 42.

The spelling of 31428574125 in words is "thirty-one billion, four hundred twenty-eight million, five hundred seventy-four thousand, one hundred twenty-five".