113332013 has 4 divisors (see below), whose sum is σ = 119998620. Its totient is φ = 106665408.

The previous prime is 113332003. The next prime is 113332049. The reversal of 113332013 is 310233311.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 310233311 = 19 ⋅16328069.

It can be written as a sum of positive squares in 2 ways, for example, as 86062729 + 27269284 = 9277^2 + 5222^2 .

It is a cyclic number.

It is not a de Polignac number, because 113332013 - 2⁴ = 113331997 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17), and also a Moran number because the ratio is a prime number: 6666589 = 113332013 / (1 + 1 + 3 + 3 + 3 + 2 + 0 + 1 + 3).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 113331982 and 113332000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113332003) 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, 3333278 + ... + 3333311.

It is an arithmetic number, because the mean of its divisors is an integer number (29999655).

Almost surely, 2^113332013 is an apocalyptic number.

It is an amenable number.

113332013 is a deficient number, since it is larger than the sum of its proper divisors (6666607).

113332013 is an equidigital number, since it uses as much as digits as its factorization.

113332013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6666606.

The product of its (nonzero) digits is 162, while the sum is 17.

The square root of 113332013 is about 10645.7509364065. The cubic root of 113332013 is about 483.9318441583.

Adding to 113332013 its reverse (310233311), we get a palindrome (423565324).

The spelling of 113332013 in words is "one hundred thirteen million, three hundred thirty-two thousand, thirteen".