113222240231 has 4 divisors (see below), whose sum is σ = 118144946352. Its totient is φ = 108299534112.

The previous prime is 113222240207. The next prime is 113222240269. The reversal of 113222240231 is 132042222311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113222240231 - 2¹⁸ = 113221978087 is a prime.

It is a super-2 number, since 2×113222240231² (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (23), and also a Moran number because the ratio is a prime number: 4922706097 = 113222240231 / (1 + 1 + 3 + 2 + 2 + 2 + 2 + 4 + 0 + 2 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113222240197 and 113222240206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113222240431) 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, 2461353026 + ... + 2461353071.

It is an arithmetic number, because the mean of its divisors is an integer number (29536236588).

Almost surely, 2^113222240231 is an apocalyptic number.

113222240231 is a deficient number, since it is larger than the sum of its proper divisors (4922706121).

113222240231 is an equidigital number, since it uses as much as digits as its factorization.

113222240231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4922706120.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 113222240231 its reverse (132042222311), we get a palindrome (245264462542).

The spelling of 113222240231 in words is "one hundred thirteen billion, two hundred twenty-two million, two hundred forty thousand, two hundred thirty-one".