31102223320112 has 80 divisors (see below), whose sum is σ = 69026125259520. Its totient is φ = 13299161205504.

The previous prime is 31102223320061. The next prime is 31102223320141. The reversal of 31102223320112 is 21102332220113.

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, 424514939 + ... + 424588197.

It is an arithmetic number, because the mean of its divisors is an integer number (862826565744).

Almost surely, 2^{31102223320112} is an apocalyptic number.

It is an amenable number.

31102223320112 is an abundant number, since it is smaller than the sum of its proper divisors (37923901939408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

31102223320112 is a wasteful number, since it uses less digits than its factorization.

31102223320112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81858 (or 81852 counting only the distinct ones).

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

Adding to 31102223320112 its reverse (21102332220113), we get a palindrome (52204555540225).

The spelling of 31102223320112 in words is "thirty-one trillion, one hundred two billion, two hundred twenty-three million, three hundred twenty thousand, one hundred twelve".