113231132 has 24 divisors (see below), whose sum is σ = 227194464. Its totient is φ = 48370752.

The previous prime is 113231119. The next prime is 113231141. The reversal of 113231132 is 231132311.

It is a self number, because there is not a number n which added to its sum of digits gives 113231132.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2498 + ... + 15254.

It is an arithmetic number, because the mean of its divisors is an integer number (9466436).

Almost surely, 2^113231132 is an apocalyptic number.

It is an amenable number.

113231132 is an abundant number, since it is smaller than the sum of its proper divisors (113963332).

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

113231132 is a wasteful number, since it uses less digits than its factorization.

113231132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13085 (or 13083 counting only the distinct ones).

The product of its digits is 108, while the sum is 17.

The square root of 113231132 is about 10641.0117939978. The cubic root of 113231132 is about 483.7882130118.

Adding to 113231132 its reverse (231132311), we get a palindrome (344363443).

The spelling of 113231132 in words is "one hundred thirteen million, two hundred thirty-one thousand, one hundred thirty-two".