320230300000331 has 32 divisors (see below), whose sum is σ = 368683652533248. Its totient is φ = 272461269104640.

The previous prime is 320230300000307. The next prime is 320230300000357. The reversal of 320230300000331 is 133000003032023.

It is a de Polignac number, because none of the positive numbers 2^k-320230300000331 is a prime.

It is a super-2 number, since 2×320230300000331² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (320230300000531) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 895638011 + ... + 895995483.

It is an arithmetic number, because the mean of its divisors is an integer number (11521364141664).

Almost surely, 2^{320230300000331} is an apocalyptic number.

320230300000331 is a deficient number, since it is larger than the sum of its proper divisors (48453352532917).

320230300000331 is a wasteful number, since it uses less digits than its factorization.

320230300000331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359291.

The product of its (nonzero) digits is 972, while the sum is 20.

Adding to 320230300000331 its reverse (133000003032023), we get a palindrome (453230303032354).

The spelling of 320230300000331 in words is "three hundred twenty trillion, two hundred thirty billion, three hundred million, three hundred thirty-one", and thus it is an aban number.