31422712332 has 48 divisors (see below), whose sum is σ = 83462706432. Its totient is φ = 9108031680.

The previous prime is 31422712301. The next prime is 31422712367. The reversal of 31422712332 is 23321722413.

It is a self number, because there is not a number n which added to its sum of digits gives 31422712332.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5171983 + ... + 5178054.

It is an arithmetic number, because the mean of its divisors is an integer number (1738806384).

Almost surely, 2^31422712332 is an apocalyptic number.

It is an amenable number.

31422712332 is an abundant number, since it is smaller than the sum of its proper divisors (52039994100).

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

31422712332 is a wasteful number, since it uses less digits than its factorization.

31422712332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10350078 (or 10350076 counting only the distinct ones).

The product of its digits is 12096, while the sum is 30.

The spelling of 31422712332 in words is "thirty-one billion, four hundred twenty-two million, seven hundred twelve thousand, three hundred thirty-two".