320245319 has 4 divisors (see below), whose sum is σ = 320300640. Its totient is φ = 320190000.

The previous prime is 320245313. The next prime is 320245339. The reversal of 320245319 is 913542023.

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

It is a cyclic number.

It is not a de Polignac number, because 320245319 - 2⁸ = 320245063 is a prime.

It is a super-2 number, since 2×320245319² = 205114128682823522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 320245291 and 320245300.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320245313) 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, 17807 + ... + 30944.

It is an arithmetic number, because the mean of its divisors is an integer number (80075160).

Almost surely, 2^320245319 is an apocalyptic number.

320245319 is a deficient number, since it is larger than the sum of its proper divisors (55321).

320245319 is an equidigital number, since it uses as much as digits as its factorization.

320245319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55320.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 320245319 is about 17895.3993808465. The cubic root of 320245319 is about 684.1651213533.

The spelling of 320245319 in words is "three hundred twenty million, two hundred forty-five thousand, three hundred nineteen".