113231442 has 8 divisors (see below), whose sum is σ = 226462896. Its totient is φ = 37743812.

The previous prime is 113231429. The next prime is 113231453. The reversal of 113231442 is 244132311.

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

113231442 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9435948 + ... + 9435959.

It is an arithmetic number, because the mean of its divisors is an integer number (28307862).

Almost surely, 2^113231442 is an apocalyptic number.

113231442 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

113231442 is a wasteful number, since it uses less digits than its factorization.

113231442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18871912.

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

The square root of 113231442 is about 10641.0263602718. The cubic root of 113231442 is about 483.7886545106.

Adding to 113231442 its reverse (244132311), we get a palindrome (357363753).

The spelling of 113231442 in words is "one hundred thirteen million, two hundred thirty-one thousand, four hundred forty-two".