31311122013322 has 32 divisors (see below), whose sum is σ = 51892119925632. Its totient is φ = 14093861743104.

The previous prime is 31311122013277. The next prime is 31311122013329. The reversal of 31311122013322 is 22331022111313.

It is not an unprimeable number, because it can be changed into a prime (31311122013329) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 116096313 + ... + 116365699.

It is an arithmetic number, because the mean of its divisors is an integer number (1621628747676).

Almost surely, 2^{31311122013322} is an apocalyptic number.

31311122013322 is a deficient number, since it is larger than the sum of its proper divisors (20580997912310).

31311122013322 is a wasteful number, since it uses less digits than its factorization.

31311122013322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 418062.

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

Adding to 31311122013322 its reverse (22331022111313), we get a palindrome (53642144124635).

The spelling of 31311122013322 in words is "thirty-one trillion, three hundred eleven billion, one hundred twenty-two million, thirteen thousand, three hundred twenty-two".