113231412 has 96 divisors (see below), whose sum is σ = 353203200. Its totient is φ = 30645216.

The previous prime is 113231401. The next prime is 113231429. The reversal of 113231412 is 214132311.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10423 + ... + 18305.

It is an arithmetic number, because the mean of its divisors is an integer number (3679200).

Almost surely, 2^113231412 is an apocalyptic number.

113231412 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 113231412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (176601600).

113231412 is an abundant number, since it is smaller than the sum of its proper divisors (239971788).

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

113231412 is a wasteful number, since it uses less digits than its factorization.

113231412 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7922 (or 7914 counting only the distinct ones).

The product of its digits is 144, while the sum is 18.

The square root of 113231412 is about 10641.0249506333. The cubic root of 113231412 is about 483.7886117849.

Adding to 113231412 its reverse (214132311), we get a palindrome (327363723).

The spelling of 113231412 in words is "one hundred thirteen million, two hundred thirty-one thousand, four hundred twelve".