113122231 has 4 divisors (see below), whose sum is σ = 113936200. Its totient is φ = 112308264.

The previous prime is 113122171. The next prime is 113122253. The reversal of 113122231 is 132221311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132221311 = 2699 ⋅48989.

It is a cyclic number.

It is not a de Polignac number, because 113122231 - 2¹⁷ = 112991159 is a prime.

It is a super-2 number, since 2×113122231² = 25593278292834722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113122291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 406776 + ... + 407053.

It is an arithmetic number, because the mean of its divisors is an integer number (28484050).

Almost surely, 2^113122231 is an apocalyptic number.

113122231 is a deficient number, since it is larger than the sum of its proper divisors (813969).

113122231 is an equidigital number, since it uses as much as digits as its factorization.

113122231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813968.

The product of its digits is 72, while the sum is 16.

The square root of 113122231 is about 10635.8935214678. The cubic root of 113122231 is about 483.6330674602.

Adding to 113122231 its reverse (132221311), we get a palindrome (245343542).

The spelling of 113122231 in words is "one hundred thirteen million, one hundred twenty-two thousand, two hundred thirty-one".