31326461871 has 16 divisors (see below), whose sum is σ = 42032309760. Its totient is φ = 20752848000.

The previous prime is 31326461861. The next prime is 31326461891. The reversal of 31326461871 is 17816462313.

It is a happy number.

It is not a de Polignac number, because 31326461871 - 2⁵ = 31326461839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31326461861) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 278010 + ... + 374088.

It is an arithmetic number, because the mean of its divisors is an integer number (2627019360).

Almost surely, 2^31326461871 is an apocalyptic number.

31326461871 is a deficient number, since it is larger than the sum of its proper divisors (10705847889).

31326461871 is a wasteful number, since it uses less digits than its factorization.

31326461871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96766.

The product of its digits is 145152, while the sum is 42.

The spelling of 31326461871 in words is "thirty-one billion, three hundred twenty-six million, four hundred sixty-one thousand, eight hundred seventy-one".