113131442 has 8 divisors (see below), whose sum is σ = 169756032. Its totient is φ = 56546100.

The previous prime is 113131441. The next prime is 113131451. The reversal of 113131442 is 244131311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (113131441) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1034 + ... + 15077.

It is an arithmetic number, because the mean of its divisors is an integer number (21219504).

Almost surely, 2^113131442 is an apocalyptic number.

113131442 is a deficient number, since it is larger than the sum of its proper divisors (56624590).

113131442 is a wasteful number, since it uses less digits than its factorization.

113131442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19624.

The product of its digits is 288, while the sum is 20.

The square root of 113131442 is about 10636.3265275188. The cubic root of 113131442 is about 483.6461937433.

Adding to 113131442 its reverse (244131311), we get a palindrome (357262753).

The spelling of 113131442 in words is "one hundred thirteen million, one hundred thirty-one thousand, four hundred forty-two".