113402131112 has 8 divisors (see below), whose sum is σ = 212628995850. Its totient is φ = 56701065552.

The previous prime is 113402131079. The next prime is 113402131151. The reversal of 113402131112 is 211131204311.

It can be written as a sum of positive squares in only one way, i.e., 110507045476 + 2895085636 = 332426^2 + 53806^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7087633187 + ... + 7087633202.

Almost surely, 2^113402131112 is an apocalyptic number.

It is an amenable number.

113402131112 is a deficient number, since it is larger than the sum of its proper divisors (99226864738).

113402131112 is a wasteful number, since it uses less digits than its factorization.

113402131112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14175266395 (or 14175266391 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 113402131112 its reverse (211131204311), we get a palindrome (324533335423).

The spelling of 113402131112 in words is "one hundred thirteen billion, four hundred two million, one hundred thirty-one thousand, one hundred twelve".