113011020331 has 4 divisors (see below), whose sum is σ = 123284749464. Its totient is φ = 102737291200.

The previous prime is 113011020319. The next prime is 113011020523. The reversal of 113011020331 is 133020110311.

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 113011020331 - 2⁷ = 113011020203 is a prime.

It is a super-2 number, since 2×113011020331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (113011020301) 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, 5136864550 + ... + 5136864571.

It is an arithmetic number, because the mean of its divisors is an integer number (30821187366).

Almost surely, 2^113011020331 is an apocalyptic number.

113011020331 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

113011020331 is a deficient number, since it is larger than the sum of its proper divisors (10273729133).

113011020331 is a wasteful number, since it uses less digits than its factorization.

113011020331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10273729132.

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 113011020331 its reverse (133020110311), we get a palindrome (246031130642).

The spelling of 113011020331 in words is "one hundred thirteen billion, eleven million, twenty thousand, three hundred thirty-one".