31732123312 has 20 divisors (see below), whose sum is σ = 61888152496. Its totient is φ = 15760987200.

The previous prime is 31732123309. The next prime is 31732123331. The reversal of 31732123312 is 21332123713.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6564663 + ... + 6569494.

Almost surely, 2^31732123312 is an apocalyptic number.

It is an amenable number.

31732123312 is a deficient number, since it is larger than the sum of its proper divisors (30156029184).

31732123312 is a wasteful number, since it uses less digits than its factorization.

31732123312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13134316 (or 13134310 counting only the distinct ones).

The product of its digits is 4536, while the sum is 28.

The spelling of 31732123312 in words is "thirty-one billion, seven hundred thirty-two million, one hundred twenty-three thousand, three hundred twelve".