31496067971 has 16 divisors (see below), whose sum is σ = 32371615584. Its totient is φ = 30627362304.

The previous prime is 31496067959. The next prime is 31496068031. The reversal of 31496067971 is 17976069413.

It is a cyclic number.

It is not a de Polignac number, because 31496067971 - 2¹⁸ = 31495805827 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31496067571) 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, 10369265 + ... + 10372301.

It is an arithmetic number, because the mean of its divisors is an integer number (2023225974).

Almost surely, 2^31496067971 is an apocalyptic number.

31496067971 is a deficient number, since it is larger than the sum of its proper divisors (875547613).

31496067971 is a wasteful number, since it uses less digits than its factorization.

31496067971 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4070.

The product of its (nonzero) digits is 1714608, while the sum is 53.

The spelling of 31496067971 in words is "thirty-one billion, four hundred ninety-six million, sixty-seven thousand, nine hundred seventy-one".