113403021413 has 6 divisors (see below), whose sum is σ = 124649602182. Its totient is φ = 103093655720.

The previous prime is 113403021367. The next prime is 113403021443. The reversal of 113403021413 is 314120304311.

It can be written as a sum of positive squares in only one way, i.e., 84415234849 + 28987786564 = 290543^2 + 170258^2 .

It is not a de Polignac number, because 113403021413 - 2⁸ = 113403021157 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 (113403021443) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 468607406 + ... + 468607647.

It is an arithmetic number, because the mean of its divisors is an integer number (20774933697).

Almost surely, 2^113403021413 is an apocalyptic number.

It is an amenable number.

113403021413 is a deficient number, since it is larger than the sum of its proper divisors (11246580769).

113403021413 is an equidigital number, since it uses as much as digits as its factorization.

113403021413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 937215075 (or 937215064 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 23.

Adding to 113403021413 its reverse (314120304311), we get a palindrome (427523325724).

The spelling of 113403021413 in words is "one hundred thirteen billion, four hundred three million, twenty-one thousand, four hundred thirteen".