320305640107715 has 8 divisors (see below), whose sum is σ = 384368842741488. Its totient is φ = 256243129011360.

The previous prime is 320305640107709. The next prime is 320305640107729. The reversal of 320305640107715 is 517701046503023.

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

It is not a de Polignac number, because 320305640107715 - 2³⁴ = 320288460238531 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 171864812 + ... + 173718521.

It is an arithmetic number, because the mean of its divisors is an integer number (48046105342686).

Almost surely, 2^{320305640107715} is an apocalyptic number.

320305640107715 is a deficient number, since it is larger than the sum of its proper divisors (64063202633773).

320305640107715 is a wasteful number, since it uses less digits than its factorization.

320305640107715 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 345768709.

The product of its (nonzero) digits is 529200, while the sum is 44.

The spelling of 320305640107715 in words is "three hundred twenty trillion, three hundred five billion, six hundred forty million, one hundred seven thousand, seven hundred fifteen".