113021013331 has 4 divisors (see below), whose sum is σ = 113021700232. Its totient is φ = 113020326432.

The previous prime is 113021013299. The next prime is 113021013341. The reversal of 113021013331 is 133310120311.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 133310120311 = 17 ⋅7841771783.

It is a cyclic number.

It is not a de Polignac number, because 113021013331 - 2⁵ = 113021013299 is a prime.

It is a super-2 number, since 2×113021013331² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113021013299 and 113021013308.

It is not an unprimeable number, because it can be changed into a prime (113021013341) 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, 66331 + ... + 480043.

It is an arithmetic number, because the mean of its divisors is an integer number (28255425058).

Almost surely, 2^113021013331 is an apocalyptic number.

113021013331 is a deficient number, since it is larger than the sum of its proper divisors (686901).

113021013331 is an equidigital number, since it uses as much as digits as its factorization.

113021013331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 686900.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 113021013331 its reverse (133310120311), we get a palindrome (246331133642).

The spelling of 113021013331 in words is "one hundred thirteen billion, twenty-one million, thirteen thousand, three hundred thirty-one".