31102323220112 has 40 divisors (see below), whose sum is σ = 60959323353600. Its totient is φ = 15371862049152.

The previous prime is 31102323220093. The next prime is 31102323220123. The reversal of 31102323220112 is 21102232320113.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30025328 + ... + 31043919.

It is an arithmetic number, because the mean of its divisors is an integer number (1523983083840).

Almost surely, 2^{31102323220112} is an apocalyptic number.

It is an amenable number.

31102323220112 is a deficient number, since it is larger than the sum of its proper divisors (29857000133488).

31102323220112 is a wasteful number, since it uses less digits than its factorization.

31102323220112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61069623 (or 61069617 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 31102323220112 its reverse (21102232320113), we get a palindrome (52204555540225).

The spelling of 31102323220112 in words is "thirty-one trillion, one hundred two billion, three hundred twenty-three million, two hundred twenty thousand, one hundred twelve".