113131302112 has 12 divisors (see below), whose sum is σ = 222727251096. Its totient is φ = 56565651040.

The previous prime is 113131302023. The next prime is 113131302113. The reversal of 113131302112 is 211203131311.

It is a self number, because there is not a number n which added to its sum of digits gives 113131302112.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113131302113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1767676564 + ... + 1767676627.

It is an arithmetic number, because the mean of its divisors is an integer number (18560604258).

Almost surely, 2^113131302112 is an apocalyptic number.

It is an amenable number.

113131302112 is a deficient number, since it is larger than the sum of its proper divisors (109595948984).

113131302112 is an equidigital number, since it uses as much as digits as its factorization.

113131302112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3535353201 (or 3535353193 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 113131302112 its reverse (211203131311), we get a palindrome (324334433423).

The spelling of 113131302112 in words is "one hundred thirteen billion, one hundred thirty-one million, three hundred two thousand, one hundred twelve".