31100233200112 has 80 divisors (see below), whose sum is σ = 61071878292480. Its totient is φ = 15341116870656.

The previous prime is 31100233200083. The next prime is 31100233200203. The reversal of 31100233200112 is 21100233200113.

It is a self number, because there is not a number n which added to its sum of digits gives 31100233200112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 396056278 + ... + 396134794.

It is an arithmetic number, because the mean of its divisors is an integer number (763398478656).

Almost surely, 2^{31100233200112} is an apocalyptic number.

It is an amenable number.

31100233200112 is a deficient number, since it is larger than the sum of its proper divisors (29971645092368).

31100233200112 is a wasteful number, since it uses less digits than its factorization.

31100233200112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79610 (or 79604 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 31100233200112 its reverse (21100233200113), we get a palindrome (52200466400225).

Subtracting from 31100233200112 its reverse (21100233200113), we obtain a palindrome (9999999999999).

The spelling of 31100233200112 in words is "thirty-one trillion, one hundred billion, two hundred thirty-three million, two hundred thousand, one hundred twelve".