31322112029 has 24 divisors (see below), whose sum is σ = 34148854080. Its totient is φ = 28715686272.

The previous prime is 31322112023. The next prime is 31322112037. The reversal of 31322112029 is 92021122313.

It is a de Polignac number, because none of the positive numbers 2^k-31322112029 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 31322111989 and 31322112007.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31322112023) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18177962 + ... + 18179684.

It is an arithmetic number, because the mean of its divisors is an integer number (1422868920).

Almost surely, 2^31322112029 is an apocalyptic number.

It is an amenable number.

31322112029 is a deficient number, since it is larger than the sum of its proper divisors (2826742051).

31322112029 is a wasteful number, since it uses less digits than its factorization.

31322112029 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2421 (or 2408 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 26.

The spelling of 31322112029 in words is "thirty-one billion, three hundred twenty-two million, one hundred twelve thousand, twenty-nine".