320231532115313 has 12 divisors (see below), whose sum is σ = 396296672035968. Its totient is φ = 253370003430960.

The previous prime is 320231532115289. The next prime is 320231532115399. The reversal of 320231532115313 is 313511235132023.

It is not a de Polignac number, because 320231532115313 - 2³² = 320227237148017 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320231532115013) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 135347222873 + ... + 135347225238.

It is an arithmetic number, because the mean of its divisors is an integer number (33024722669664).

Almost surely, 2^{320231532115313} is an apocalyptic number.

It is an amenable number.

320231532115313 is a deficient number, since it is larger than the sum of its proper divisors (76065139920655).

320231532115313 is a wasteful number, since it uses less digits than its factorization.

320231532115313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 270694448144 (or 270694448131 counting only the distinct ones).

The product of its (nonzero) digits is 48600, while the sum is 35.

Adding to 320231532115313 its reverse (313511235132023), we get a palindrome (633742767247336).

The spelling of 320231532115313 in words is "three hundred twenty trillion, two hundred thirty-one billion, five hundred thirty-two million, one hundred fifteen thousand, three hundred thirteen".