113131142212 has 24 divisors (see below), whose sum is σ = 218074514112. Its totient is φ = 50923989600.

The previous prime is 113131142203. The next prime is 113131142221. The reversal of 113131142212 is 212241131311.

It is an interprime number because it is at equal distance from previous prime (113131142203) and next prime (113131142221).

It is a Harshad number since it is a multiple of its sum of digits (22).

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, 12476839 + ... + 12485902.

It is an arithmetic number, because the mean of its divisors is an integer number (9086438088).

Almost surely, 2^113131142212 is an apocalyptic number.

It is an amenable number.

113131142212 is a deficient number, since it is larger than the sum of its proper divisors (104943371900).

113131142212 is a wasteful number, since it uses less digits than its factorization.

113131142212 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24962859 (or 24962857 counting only the distinct ones).

The product of its digits is 288, while the sum is 22.

Adding to 113131142212 its reverse (212241131311), we get a palindrome (325372273523).

The spelling of 113131142212 in words is "one hundred thirteen billion, one hundred thirty-one million, one hundred forty-two thousand, two hundred twelve".