112313213243231 has 144 divisors (see below), whose sum is σ = 164046130875648. Its totient is φ = 75895688816640.

The previous prime is 112313213243227. The next prime is 112313213243233. The reversal of 112313213243231 is 132342312313211.

It is a happy number.

It is not a de Polignac number, because 112313213243231 - 2² = 112313213243227 is a prime.

It is a super-2 number, since 2×112313213243231² (a number of 29 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112313213243233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 729765170 + ... + 729919056.

It is an arithmetic number, because the mean of its divisors is an integer number (1139209242192).

Almost surely, 2^{112313213243231} is an apocalyptic number.

112313213243231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

112313213243231 is a deficient number, since it is larger than the sum of its proper divisors (51732917632417).

112313213243231 is a wasteful number, since it uses less digits than its factorization.

112313213243231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154510 (or 154492 counting only the distinct ones).

The product of its digits is 15552, while the sum is 32.

Adding to 112313213243231 its reverse (132342312313211), we get a palindrome (244655525556442).

The spelling of 112313213243231 in words is "one hundred twelve trillion, three hundred thirteen billion, two hundred thirteen million, two hundred forty-three thousand, two hundred thirty-one".