31926112129 has 8 divisors (see below), whose sum is σ = 33984036000. Its totient is φ = 29905948512.

The previous prime is 31926112051. The next prime is 31926112133. The reversal of 31926112129 is 92121162913.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 31926112129 - 2¹¹ = 31926110081 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31926112199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9438319 + ... + 9441700.

It is an arithmetic number, because the mean of its divisors is an integer number (4248004500).

Almost surely, 2^31926112129 is an apocalyptic number.

It is an amenable number.

31926112129 is a deficient number, since it is larger than the sum of its proper divisors (2057923871).

31926112129 is a wasteful number, since it uses less digits than its factorization.

31926112129 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18880127.

The product of its digits is 11664, while the sum is 37.

The spelling of 31926112129 in words is "thirty-one billion, nine hundred twenty-six million, one hundred twelve thousand, one hundred twenty-nine".