113313421 has 8 divisors (see below), whose sum is σ = 122706584. Its totient is φ = 104016960.

The previous prime is 113313391. The next prime is 113313439. The reversal of 113313421 is 124313311.

It can be written as a sum of positive squares in 4 ways, for example, as 3880900 + 109432521 = 1970^2 + 10461^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 113313421 - 2⁷ = 113313293 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (113313461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21726 + ... + 26431.

It is an arithmetic number, because the mean of its divisors is an integer number (15338323).

Almost surely, 2^113313421 is an apocalyptic number.

It is an amenable number.

113313421 is a deficient number, since it is larger than the sum of its proper divisors (9393163).

113313421 is a wasteful number, since it uses less digits than its factorization.

113313421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48351.

The product of its digits is 216, while the sum is 19.

The square root of 113313421 is about 10644.8776883532. The cubic root of 113313421 is about 483.9053798709.

Adding to 113313421 its reverse (124313311), we get a palindrome (237626732).

The spelling of 113313421 in words is "one hundred thirteen million, three hundred thirteen thousand, four hundred twenty-one".