31126443152 has 20 divisors (see below), whose sum is σ = 68922838656. Its totient is φ = 13339904160.

The previous prime is 31126443149. The next prime is 31126443167. The reversal of 31126443152 is 25134462113.

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 3 ways as a sum of consecutive naturals, for example, 138957224 + ... + 138957447.

Almost surely, 2^31126443152 is an apocalyptic number.

It is an amenable number.

31126443152 is an abundant number, since it is smaller than the sum of its proper divisors (37796395504).

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

31126443152 is a wasteful number, since it uses less digits than its factorization.

31126443152 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277914686 (or 277914680 counting only the distinct ones).

The product of its digits is 17280, while the sum is 32.

The spelling of 31126443152 in words is "thirty-one billion, one hundred twenty-six million, four hundred forty-three thousand, one hundred fifty-two".