112013313231 has 4 divisors (see below), whose sum is σ = 149351084312. Its totient is φ = 74675542152.

The previous prime is 112013313221. The next prime is 112013313233. The reversal of 112013313231 is 132313310211.

It is a happy number.

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

It is not a de Polignac number, because 112013313231 - 2⁵ = 112013313199 is a prime.

It is a super-2 number, since 2×112013313231² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 112013313198 and 112013313207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (112013313233) 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, 18668885536 + ... + 18668885541.

It is an arithmetic number, because the mean of its divisors is an integer number (37337771078).

Almost surely, 2^112013313231 is an apocalyptic number.

112013313231 is a deficient number, since it is larger than the sum of its proper divisors (37337771081).

112013313231 is an equidigital number, since it uses as much as digits as its factorization.

112013313231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37337771080.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 112013313231 its reverse (132313310211), we get a palindrome (244326623442).

The spelling of 112013313231 in words is "one hundred twelve billion, thirteen million, three hundred thirteen thousand, two hundred thirty-one".