113112131311 has 16 divisors (see below), whose sum is σ = 129144123360. Its totient is φ = 98395499520.

The previous prime is 113112131221. The next prime is 113112131357. The reversal of 113112131311 is 113131211311.

It is not a de Polignac number, because 113112131311 - 2¹³ = 113112123119 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113112131911) 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, 4257396 + ... + 4283881.

It is an arithmetic number, because the mean of its divisors is an integer number (8071507710).

Almost surely, 2^113112131311 is an apocalyptic number.

113112131311 is a deficient number, since it is larger than the sum of its proper divisors (16031992049).

113112131311 is a wasteful number, since it uses less digits than its factorization.

113112131311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8541354.

The product of its digits is 54, while the sum is 19.

Adding to 113112131311 its reverse (113131211311), we get a palindrome (226243342622).

The spelling of 113112131311 in words is "one hundred thirteen billion, one hundred twelve million, one hundred thirty-one thousand, three hundred eleven".