113031303311 has 4 divisors (see below), whose sum is σ = 113433550224. Its totient is φ = 112629056400.

The previous prime is 113031303283. The next prime is 113031303421. The reversal of 113031303311 is 113303130311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 113031303311 - 2¹⁰ = 113031302287 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 (113031303211) 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, 201123035 + ... + 201123596.

It is an arithmetic number, because the mean of its divisors is an integer number (28358387556).

Almost surely, 2^113031303311 is an apocalyptic number.

113031303311 is a deficient number, since it is larger than the sum of its proper divisors (402246913).

113031303311 is an equidigital number, since it uses as much as digits as its factorization.

113031303311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 402246912.

The product of its (nonzero) digits is 243, while the sum is 20.

Adding to 113031303311 its reverse (113303130311), we get a palindrome (226334433622).

The spelling of 113031303311 in words is "one hundred thirteen billion, thirty-one million, three hundred three thousand, three hundred eleven".