320013030 has 32 divisors (see below), whose sum is σ = 801425664. Its totient is φ = 81626336.

The previous prime is 320013019. The next prime is 320013061. The reversal of 320013030 is 30310023.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 320012997 and 320013015.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 231204 + ... + 232583.

It is an arithmetic number, because the mean of its divisors is an integer number (25044552).

Almost surely, 2^320013030 is an apocalyptic number.

320013030 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

320013030 is an abundant number, since it is smaller than the sum of its proper divisors (481412634).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

320013030 is a wasteful number, since it uses less digits than its factorization.

320013030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463820.

The product of its (nonzero) digits is 54, while the sum is 12.

The square root of 320013030 is about 17888.9080158628. The cubic root of 320013030 is about 683.9996622891. Note that the first 3 decimals are identical.

Adding to 320013030 its reverse (30310023), we get a palindrome (350323053).

The spelling of 320013030 in words is "three hundred twenty million, thirteen thousand, thirty".