113131320202 has 16 divisors (see below), whose sum is σ = 173445390720. Its totient is φ = 55318104448.

The previous prime is 113131320187. The next prime is 113131320307. The reversal of 113131320202 is 202023131311.

It is a super-2 number, since 2×113131320202² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113131320202.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 359623 + ... + 596314.

It is an arithmetic number, because the mean of its divisors is an integer number (10840336920).

Almost surely, 2^113131320202 is an apocalyptic number.

113131320202 is a deficient number, since it is larger than the sum of its proper divisors (60314070518).

113131320202 is a wasteful number, since it uses less digits than its factorization.

113131320202 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 957245.

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

Adding to 113131320202 its reverse (202023131311), we get a palindrome (315154451513).

The spelling of 113131320202 in words is "one hundred thirteen billion, one hundred thirty-one million, three hundred twenty thousand, two hundred two".