113131312102 has 32 divisors (see below), whose sum is σ = 174092073984. Its totient is φ = 55121942400.

The previous prime is 113131312097. The next prime is 113131312103. The reversal of 113131312102 is 201213131311.

It is a self number, because there is not a number n which added to its sum of digits gives 113131312102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113131312103) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5879277 + ... + 5898487.

It is an arithmetic number, because the mean of its divisors is an integer number (5440377312).

Almost surely, 2^113131312102 is an apocalyptic number.

113131312102 is a deficient number, since it is larger than the sum of its proper divisors (60960761882).

113131312102 is a wasteful number, since it uses less digits than its factorization.

113131312102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19764.

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

Adding to 113131312102 its reverse (201213131311), we get a palindrome (314344443413).

The spelling of 113131312102 in words is "one hundred thirteen billion, one hundred thirty-one million, three hundred twelve thousand, one hundred two".