31322323131132 has 48 divisors (see below), whose sum is σ = 79823019652992. Its totient is φ = 9480485705280.

The previous prime is 31322323131103. The next prime is 31322323131161. The reversal of 31322323131132 is 23113132322313.

It is an interprime number because it is at equal distance from previous prime (31322323131103) and next prime (31322323131161).

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 31322323131132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 138979038 + ... + 139204229.

It is an arithmetic number, because the mean of its divisors is an integer number (1662979576104).

Almost surely, 2^{31322323131132} is an apocalyptic number.

It is an amenable number.

31322323131132 is an abundant number, since it is smaller than the sum of its proper divisors (48500696521860).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31322323131132 is a wasteful number, since it uses less digits than its factorization.

31322323131132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 278184138 (or 278184136 counting only the distinct ones).

The product of its digits is 11664, while the sum is 30.

Adding to 31322323131132 its reverse (23113132322313), we get a palindrome (54435455453445).

The spelling of 31322323131132 in words is "thirty-one trillion, three hundred twenty-two billion, three hundred twenty-three million, one hundred thirty-one thousand, one hundred thirty-two".