320432322115 has 4 divisors (see below), whose sum is σ = 384518786544. Its totient is φ = 256345857688.

The previous prime is 320432322109. The next prime is 320432322137. The reversal of 320432322115 is 511223234023.

It is a happy number.

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 320432322115 - 2¹³ = 320432313923 is a prime.

It is a super-2 number, since 2×320432322115² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32043232207 + ... + 32043232216.

It is an arithmetic number, because the mean of its divisors is an integer number (96129696636).

Almost surely, 2^320432322115 is an apocalyptic number.

320432322115 is a deficient number, since it is larger than the sum of its proper divisors (64086464429).

320432322115 is an equidigital number, since it uses as much as digits as its factorization.

320432322115 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 64086464428.

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 320432322115 its reverse (511223234023), we get a palindrome (831655556138).

The spelling of 320432322115 in words is "three hundred twenty billion, four hundred thirty-two million, three hundred twenty-two thousand, one hundred fifteen".