31311330113322 has 64 divisors (see below), whose sum is σ = 79965089049600. Its totient is φ = 8896116118320.

The previous prime is 31311330113227. The next prime is 31311330113351. The reversal of 31311330113322 is 22331103311313.

31311330113322 is a `hidden beast` number, since 3 + 1 + 3 + 1 + 1 + 330 + 1 + 1 + 3 + 322 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 231312804 + ... + 231448127.

It is an arithmetic number, because the mean of its divisors is an integer number (1249454516400).

Almost surely, 2^{31311330113322} is an apocalyptic number.

31311330113322 is an abundant number, since it is smaller than the sum of its proper divisors (48653758936278).

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

31311330113322 is a wasteful number, since it uses less digits than its factorization.

31311330113322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462761128 (or 462761122 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 31311330113322 its reverse (22331103311313), we get a palindrome (53642433424635).

The spelling of 31311330113322 in words is "thirty-one trillion, three hundred eleven billion, three hundred thirty million, one hundred thirteen thousand, three hundred twenty-two".