320020310312030 has 16 divisors (see below), whose sum is σ = 576036796580064. Its totient is φ = 128008071231840.

The previous prime is 320020310312011. The next prime is 320020310312047. The reversal of 320020310312030 is 30213013020023.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 320020310311993 and 320020310312011.

It is a congruent 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, 26877215 + ... + 36911045.

It is an arithmetic number, because the mean of its divisors is an integer number (36002299786254).

Almost surely, 2^{320020310312030} is an apocalyptic number.

320020310312030 is a deficient number, since it is larger than the sum of its proper divisors (256016486268034).

320020310312030 is a wasteful number, since it uses less digits than its factorization.

320020310312030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13223251.

The product of its (nonzero) digits is 648, while the sum is 20.

Adding to 320020310312030 its reverse (30213013020023), we get a palindrome (350233323332053).

The spelling of 320020310312030 in words is "three hundred twenty trillion, twenty billion, three hundred ten million, three hundred twelve thousand, thirty".