320501123310115 has 64 divisors (see below), whose sum is σ = 442546885463040. Its totient is φ = 220740603840000.

The previous prime is 320501123310107. The next prime is 320501123310133. The reversal of 320501123310115 is 511013321105023.

It is not a de Polignac number, because 320501123310115 - 2³ = 320501123310107 is a prime.

It is a super-2 number, since 2×320501123310115² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1088271 + ... + 25341400.

It is an arithmetic number, because the mean of its divisors is an integer number (6914795085360).

Almost surely, 2^{320501123310115} is an apocalyptic number.

320501123310115 is a deficient number, since it is larger than the sum of its proper divisors (122045762152925).

320501123310115 is a wasteful number, since it uses less digits than its factorization.

320501123310115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26429884.

The product of its (nonzero) digits is 2700, while the sum is 28.

Adding to 320501123310115 its reverse (511013321105023), we get a palindrome (831514444415138).

The spelling of 320501123310115 in words is "three hundred twenty trillion, five hundred one billion, one hundred twenty-three million, three hundred ten thousand, one hundred fifteen".