113321407 has 4 divisors (see below), whose sum is σ = 113722120. Its totient is φ = 112920696.

The previous prime is 113321389. The next prime is 113321413. The reversal of 113321407 is 704123311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-113321407 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 (113321447) 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, 199932 + ... + 200497.

It is an arithmetic number, because the mean of its divisors is an integer number (28430530).

Almost surely, 2^113321407 is an apocalyptic number.

113321407 is a deficient number, since it is larger than the sum of its proper divisors (400713).

113321407 is an equidigital number, since it uses as much as digits as its factorization.

113321407 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 400712.

The product of its (nonzero) digits is 504, while the sum is 22.

The square root of 113321407 is about 10645.2527917377. The cubic root of 113321407 is about 483.9167476846.

Adding to 113321407 its reverse (704123311), we get a palindrome (817444718).

The spelling of 113321407 in words is "one hundred thirteen million, three hundred twenty-one thousand, four hundred seven".