113431242 has 32 divisors (see below), whose sum is σ = 240883200. Its totient is φ = 35486208.

The previous prime is 113431231. The next prime is 113431303. The reversal of 113431242 is 242134311.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 40359 + ... + 43077.

It is an arithmetic number, because the mean of its divisors is an integer number (7527600).

Almost surely, 2^113431242 is an apocalyptic number.

113431242 is an abundant number, since it is smaller than the sum of its proper divisors (127451958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

113431242 is a wasteful number, since it uses less digits than its factorization.

113431242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3150.

The product of its digits is 576, while the sum is 21.

The square root of 113431242 is about 10650.4104146272. The cubic root of 113431242 is about 484.0730401120.

Adding to 113431242 its reverse (242134311), we get a palindrome (355565553).

The spelling of 113431242 in words is "one hundred thirteen million, four hundred thirty-one thousand, two hundred forty-two".