31310111122 has 8 divisors (see below), whose sum is σ = 47303046000. Its totient is φ = 15542429124.

The previous prime is 31310111101. The next prime is 31310111141. The reversal of 31310111122 is 22111101313.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a junction number, because it is equal to n+sod(n) for n = 31310111096 and 31310111105.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56312872 + ... + 56313427.

It is an arithmetic number, because the mean of its divisors is an integer number (5912880750).

Almost surely, 2^31310111122 is an apocalyptic number.

31310111122 is a deficient number, since it is larger than the sum of its proper divisors (15992934878).

31310111122 is a wasteful number, since it uses less digits than its factorization.

31310111122 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112626440.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 31310111122 its reverse (22111101313), we get a palindrome (53421212435).

The spelling of 31310111122 in words is "thirty-one billion, three hundred ten million, one hundred eleven thousand, one hundred twenty-two".