31123323322 has 64 divisors (see below), whose sum is σ = 58467225600. Its totient is φ = 12097874880.

The previous prime is 31123323311. The next prime is 31123323323. The reversal of 31123323322 is 22332332113.

It is a super-2 number, since 2×31123323322² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (31123323323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3028629 + ... + 3038887.

It is an arithmetic number, because the mean of its divisors is an integer number (913550400).

Almost surely, 2^31123323322 is an apocalyptic number.

31123323322 is a deficient number, since it is larger than the sum of its proper divisors (27343902278).

31123323322 is a wasteful number, since it uses less digits than its factorization.

31123323322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10571.

The product of its digits is 3888, while the sum is 25.

Adding to 31123323322 its reverse (22332332113), we get a palindrome (53455655435).

The spelling of 31123323322 in words is "thirty-one billion, one hundred twenty-three million, three hundred twenty-three thousand, three hundred twenty-two".