31426475612 has 24 divisors (see below), whose sum is σ = 63168806400. Its totient is φ = 13400806320.

The previous prime is 31426475603. The next prime is 31426475623. The reversal of 31426475612 is 21657462413.

It is a self number, because there is not a number n which added to its sum of digits gives 31426475612.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 2814464 + ... + 2825607.

It is an arithmetic number, because the mean of its divisors is an integer number (2632033600).

Almost surely, 2^31426475612 is an apocalyptic number.

It is an amenable number.

31426475612 is an abundant number, since it is smaller than the sum of its proper divisors (31742330788).

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

31426475612 is a wasteful number, since it uses less digits than its factorization.

31426475612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5640281 (or 5640279 counting only the distinct ones).

The product of its digits is 241920, while the sum is 41.

The spelling of 31426475612 in words is "thirty-one billion, four hundred twenty-six million, four hundred seventy-five thousand, six hundred twelve".