31122133112230 has 64 divisors (see below), whose sum is σ = 58162443128640. Its totient is φ = 11975852335104.

The previous prime is 31122133112221. The next prime is 31122133112261. The reversal of 31122133112230 is 3221133122113.

It is a junction number, because it is equal to n+sod(n) for n = 31122133112195 and 31122133112204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1291523542 + ... + 1291547638.

It is an arithmetic number, because the mean of its divisors is an integer number (908788173885).

Almost surely, 2^{31122133112230} is an apocalyptic number.

31122133112230 is a deficient number, since it is larger than the sum of its proper divisors (27040310016410).

31122133112230 is a wasteful number, since it uses less digits than its factorization.

31122133112230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40153.

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

Adding to 31122133112230 its reverse (3221133122113), we get a palindrome (34343266234343).

The spelling of 31122133112230 in words is "thirty-one trillion, one hundred twenty-two billion, one hundred thirty-three million, one hundred twelve thousand, two hundred thirty".