113230131 has 16 divisors (see below), whose sum is σ = 176064000. Its totient is φ = 64702344.

The previous prime is 113230129. The next prime is 113230133. The reversal of 113230131 is 131032311.

It is an interprime number because it is at equal distance from previous prime (113230129) and next prime (113230133).

It is not a de Polignac number, because 113230131 - 2¹ = 113230129 is a prime.

It is a super-2 number, since 2×113230131² = 25642125132554322, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 113230131.

It is not an unprimeable number, because it can be changed into a prime (113230133) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 53991 + ... + 56048.

It is an arithmetic number, because the mean of its divisors is an integer number (11004000).

Almost surely, 2^113230131 is an apocalyptic number.

113230131 is a deficient number, since it is larger than the sum of its proper divisors (62833869).

113230131 is an equidigital number, since it uses as much as digits as its factorization.

113230131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110063 (or 110049 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 15.

The square root of 113230131 is about 10640.9647588929. The cubic root of 113230131 is about 483.7867873926.

Adding to 113230131 its reverse (131032311), we get a palindrome (244262442).

The spelling of 113230131 in words is "one hundred thirteen million, two hundred thirty thousand, one hundred thirty-one".