113131212210232 has 32 divisors (see below), whose sum is σ = 212499153410400. Its totient is φ = 56464812686464.

The previous prime is 113131212210221. The next prime is 113131212210293. The reversal of 113131212210232 is 232012212131311.

It is a junction number, because it is equal to n+sod(n) for n = 113131212210197 and 113131212210206.

It is a congruent number.

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, 19305138 + ... + 24473470.

It is an arithmetic number, because the mean of its divisors is an integer number (6640598544075).

Almost surely, 2^{113131212210232} is an apocalyptic number.

It is an amenable number.

113131212210232 is a deficient number, since it is larger than the sum of its proper divisors (99367941200168).

113131212210232 is a wasteful number, since it uses less digits than its factorization.

113131212210232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5173215 (or 5173211 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 25.

Adding to 113131212210232 its reverse (232012212131311), we get a palindrome (345143424341543).

The spelling of 113131212210232 in words is "one hundred thirteen trillion, one hundred thirty-one billion, two hundred twelve million, two hundred ten thousand, two hundred thirty-two".