113402442513 has 4 divisors (see below), whose sum is σ = 151203256688. Its totient is φ = 75601628340.

The previous prime is 113402442509. The next prime is 113402442551. The reversal of 113402442513 is 315244204311.

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 113402442513 - 2² = 113402442509 is a prime.

It is a super-2 number, since 2×113402442513² (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 (113402442583) 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, 18900407083 + ... + 18900407088.

It is an arithmetic number, because the mean of its divisors is an integer number (37800814172).

Almost surely, 2^113402442513 is an apocalyptic number.

It is an amenable number.

113402442513 is a deficient number, since it is larger than the sum of its proper divisors (37800814175).

113402442513 is an equidigital number, since it uses as much as digits as its factorization.

113402442513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37800814174.

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 113402442513 its reverse (315244204311), we get a palindrome (428646646824).

The spelling of 113402442513 in words is "one hundred thirteen billion, four hundred two million, four hundred forty-two thousand, five hundred thirteen".