112020312231 has 16 divisors (see below), whose sum is σ = 166033617120. Its totient is φ = 74645288640.

The previous prime is 112020312203. The next prime is 112020312247. The reversal of 112020312231 is 132213020211.

112020312231 is a `hidden beast` number, since 1 + 120 + 2 + 0 + 312 + 231 = 666.

It is not a de Polignac number, because 112020312231 - 2⁵ = 112020312199 is a prime.

It is a super-2 number, since 2×112020312231² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112020312251) 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, 911110 + ... + 1026723.

It is an arithmetic number, because the mean of its divisors is an integer number (10377101070).

Almost surely, 2^112020312231 is an apocalyptic number.

112020312231 is a deficient number, since it is larger than the sum of its proper divisors (54013304889).

112020312231 is a wasteful number, since it uses less digits than its factorization.

112020312231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1939983 (or 1939977 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 112020312231 its reverse (132213020211), we get a palindrome (244233332442).

The spelling of 112020312231 in words is "one hundred twelve billion, twenty million, three hundred twelve thousand, two hundred thirty-one".