111131041313 has 4 divisors (see below), whose sum is σ = 111147407748. Its totient is φ = 111114674880.

The previous prime is 111131041283. The next prime is 111131041337. The reversal of 111131041313 is 313140131111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 313140131111 = 5387 ⋅58128853.

It can be written as a sum of positive squares in 2 ways, for example, as 3686068369 + 107444972944 = 60713^2 + 327788^2 .

It is a cyclic number.

It is not a de Polignac number, because 111131041313 - 2⁸ = 111131041057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111131041213) 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, 8173028 + ... + 8186613.

It is an arithmetic number, because the mean of its divisors is an integer number (27786851937).

Almost surely, 2^111131041313 is an apocalyptic number.

It is an amenable number.

111131041313 is a deficient number, since it is larger than the sum of its proper divisors (16366435).

111131041313 is an equidigital number, since it uses as much as digits as its factorization.

111131041313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16366434.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 111131041313 its reverse (313140131111), we get a palindrome (424271172424).

The spelling of 111131041313 in words is "one hundred eleven billion, one hundred thirty-one million, forty-one thousand, three hundred thirteen".