113113211313 has 4 divisors (see below), whose sum is σ = 150817615088. Its totient is φ = 75408807540.

The previous prime is 113113211273. The next prime is 113113211329. The reversal of 113113211313 is 313112311311.

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 not a de Polignac number, because 113113211313 - 2¹⁶ = 113113145777 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 113113211313.

It is not an unprimeable number, because it can be changed into a prime (113113211413) 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, 18852201883 + ... + 18852201888.

It is an arithmetic number, because the mean of its divisors is an integer number (37704403772).

Almost surely, 2^113113211313 is an apocalyptic number.

It is an amenable number.

113113211313 is a deficient number, since it is larger than the sum of its proper divisors (37704403775).

113113211313 is an equidigital number, since it uses as much as digits as its factorization.

113113211313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37704403774.

The product of its digits is 162, while the sum is 21.

Adding to 113113211313 its reverse (313112311311), we get a palindrome (426225522624).

The spelling of 113113211313 in words is "one hundred thirteen billion, one hundred thirteen million, two hundred eleven thousand, three hundred thirteen".