113232220231 has 4 divisors (see below), whose sum is σ = 121942391032. Its totient is φ = 104522049432.

The previous prime is 113232220201. The next prime is 113232220259. The reversal of 113232220231 is 132022232311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132022232311 = 23 ⋅5740097057.

It is a cyclic number.

It is not a de Polignac number, because 113232220231 - 2¹⁵ = 113232187463 is a prime.

It is a super-2 number, since 2×113232220231² (a number of 23 digits) 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 (113232220201) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4355085381 + ... + 4355085406.

It is an arithmetic number, because the mean of its divisors is an integer number (30485597758).

Almost surely, 2^113232220231 is an apocalyptic number.

113232220231 is a deficient number, since it is larger than the sum of its proper divisors (8710170801).

113232220231 is an equidigital number, since it uses as much as digits as its factorization.

113232220231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8710170800.

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 113232220231 its reverse (132022232311), we get a palindrome (245254452542).

The spelling of 113232220231 in words is "one hundred thirteen billion, two hundred thirty-two million, two hundred twenty thousand, two hundred thirty-one".