31322012112313 has 12 divisors (see below), whose sum is σ = 33944287415808. Its totient is φ = 28889139268080.

The previous prime is 31322012112299. The next prime is 31322012112323. The reversal of 31322012112313 is 31321121022313.

It is not a de Polignac number, because 31322012112313 - 2²⁹ = 31321475241401 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31322012112323) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 75071145 + ... + 75487222.

It is an arithmetic number, because the mean of its divisors is an integer number (2828690617984).

Almost surely, 2^{31322012112313} is an apocalyptic number.

It is an amenable number.

31322012112313 is a deficient number, since it is larger than the sum of its proper divisors (2622275303495).

31322012112313 is a wasteful number, since it uses less digits than its factorization.

31322012112313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150559624 (or 150559611 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 25.

Adding to 31322012112313 its reverse (31321121022313), we get a palindrome (62643133134626).

The spelling of 31322012112313 in words is "thirty-one trillion, three hundred twenty-two billion, twelve million, one hundred twelve thousand, three hundred thirteen".