320113507 has 8 divisors (see below), whose sum is σ = 368268032. Its totient is φ = 272565000.

The previous prime is 320113499. The next prime is 320113559. The reversal of 320113507 is 705311023.

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 320113507 - 2³ = 320113499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320113207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 150369 + ... + 152482.

It is an arithmetic number, because the mean of its divisors is an integer number (46033504).

Almost surely, 2^320113507 is an apocalyptic number.

320113507 is a deficient number, since it is larger than the sum of its proper divisors (48154525).

320113507 is a wasteful number, since it uses less digits than its factorization.

320113507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 303009.

The product of its (nonzero) digits is 630, while the sum is 22.

The square root of 320113507 is about 17891.7161558080. The cubic root of 320113507 is about 684.0712417104.

The spelling of 320113507 in words is "three hundred twenty million, one hundred thirteen thousand, five hundred seven".