112321031231 has 4 divisors (see below), whose sum is σ = 117204554352. Its totient is φ = 107437508112.

The previous prime is 112321031219. The next prime is 112321031257. The reversal of 112321031231 is 132130123211.

It is a happy number.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-112321031231 is a prime.

It is a super-2 number, since 2×112321031231² (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 (112321031281) 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, 2441761526 + ... + 2441761571.

It is an arithmetic number, because the mean of its divisors is an integer number (29301138588).

Almost surely, 2^112321031231 is an apocalyptic number.

112321031231 is a deficient number, since it is larger than the sum of its proper divisors (4883523121).

112321031231 is an equidigital number, since it uses as much as digits as its factorization.

112321031231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4883523120.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 112321031231 its reverse (132130123211), we get a palindrome (244451154442).

The spelling of 112321031231 in words is "one hundred twelve billion, three hundred twenty-one million, thirty-one thousand, two hundred thirty-one".