113312042 has 4 divisors (see below), whose sum is σ = 169968066. Its totient is φ = 56656020.

The previous prime is 113312027. The next prime is 113312047. The reversal of 113312042 is 240213311.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 112169281 + 1142761 = 10591^2 + 1069^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 113312042.

It is not an unprimeable number, because it can be changed into a prime (113312047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 28328009 + ... + 28328012.

Almost surely, 2^113312042 is an apocalyptic number.

113312042 is a deficient number, since it is larger than the sum of its proper divisors (56656024).

113312042 is an equidigital number, since it uses as much as digits as its factorization.

113312042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56656023.

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 113312042 is about 10644.8129152184. The cubic root of 113312042 is about 483.9034168548.

Adding to 113312042 its reverse (240213311), we get a palindrome (353525353).

The spelling of 113312042 in words is "one hundred thirteen million, three hundred twelve thousand, forty-two".