31322134139 has 8 divisors (see below), whose sum is σ = 33013571760. Its totient is φ = 29671454176.

The previous prime is 31322134133. The next prime is 31322134159. The reversal of 31322134139 is 93143122313.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-31322134139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31322134133) 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, 10187837 + ... + 10190910.

It is an arithmetic number, because the mean of its divisors is an integer number (4126696470).

Almost surely, 2^31322134139 is an apocalyptic number.

31322134139 is a deficient number, since it is larger than the sum of its proper divisors (1691437621).

31322134139 is a wasteful number, since it uses less digits than its factorization.

31322134139 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20378829.

The product of its digits is 11664, while the sum is 32.

The spelling of 31322134139 in words is "thirty-one billion, three hundred twenty-two million, one hundred thirty-four thousand, one hundred thirty-nine".