111312133013 has 4 divisors (see below), whose sum is σ = 111331163328. Its totient is φ = 111293102700.

The previous prime is 111312133007. The next prime is 111312133033. The reversal of 111312133013 is 310331213111.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-111312133013 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (111312133033) 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, 9506381 + ... + 9518082.

It is an arithmetic number, because the mean of its divisors is an integer number (27832790832).

Almost surely, 2^111312133013 is an apocalyptic number.

It is an amenable number.

111312133013 is a deficient number, since it is larger than the sum of its proper divisors (19030315).

111312133013 is an equidigital number, since it uses as much as digits as its factorization.

111312133013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19030314.

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 111312133013 its reverse (310331213111), we get a palindrome (421643346124).

The spelling of 111312133013 in words is "one hundred eleven billion, three hundred twelve million, one hundred thirty-three thousand, thirteen".