112013123131 has 64 divisors (see below), whose sum is σ = 147358697472. Its totient is φ = 82623670272.

The previous prime is 112013123119. The next prime is 112013123141. The reversal of 112013123131 is 131321310211.

It is not a de Polignac number, because 112013123131 - 2⁵ = 112013123099 is a prime.

It is a super-2 number, since 2×112013123131² (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 112013123099 and 112013123108.

It is not an unprimeable number, because it can be changed into a prime (112013123141) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 118281600 + ... + 118282546.

It is an arithmetic number, because the mean of its divisors is an integer number (2302479648).

Almost surely, 2^112013123131 is an apocalyptic number.

112013123131 is a deficient number, since it is larger than the sum of its proper divisors (35345574341).

112013123131 is a wasteful number, since it uses less digits than its factorization.

112013123131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1628.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 112013123131 its reverse (131321310211), we get a palindrome (243334433342).

The spelling of 112013123131 in words is "one hundred twelve billion, thirteen million, one hundred twenty-three thousand, one hundred thirty-one".