31013200112 has 10 divisors (see below), whose sum is σ = 60088075248. Its totient is φ = 15506600048.

The previous prime is 31013200109. The next prime is 31013200117. The reversal of 31013200112 is 21100231013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (31013200117) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 969162488 + ... + 969162519.

Almost surely, 2^31013200112 is an apocalyptic number.

It is an amenable number.

31013200112 is a deficient number, since it is larger than the sum of its proper divisors (29074875136).

31013200112 is a wasteful number, since it uses less digits than its factorization.

31013200112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1938325015 (or 1938325009 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 31013200112 its reverse (21100231013), we get a palindrome (52113431125).

The spelling of 31013200112 in words is "thirty-one billion, thirteen million, two hundred thousand, one hundred twelve".