113012131099 has 8 divisors (see below), whose sum is σ = 129163608288. Its totient is φ = 96862375680.

The previous prime is 113012131093. The next prime is 113012131109. The reversal of 113012131099 is 990131210311.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 113012131099 - 2¹¹ = 113012129051 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 113012131099.

It is not an unprimeable number, because it can be changed into a prime (113012131093) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 286582 + ... + 555115.

It is an arithmetic number, because the mean of its divisors is an integer number (16145451036).

Almost surely, 2^113012131099 is an apocalyptic number.

113012131099 is a deficient number, since it is larger than the sum of its proper divisors (16151477189).

113012131099 is an equidigital number, since it uses as much as digits as its factorization.

113012131099 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 860885.

The product of its (nonzero) digits is 1458, while the sum is 31.

The spelling of 113012131099 in words is "one hundred thirteen billion, twelve million, one hundred thirty-one thousand, ninety-nine".