320325430 has 16 divisors (see below), whose sum is σ = 579322224. Its totient is φ = 127522080.

The previous prime is 320325413. The next prime is 320325443. The reversal of 320325430 is 34523023.

It is a super-2 number, since 2×320325430² = 205216762209369800, which contains 22 as substring.

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, 73797 + ... + 78016.

It is an arithmetic number, because the mean of its divisors is an integer number (36207639).

Almost surely, 2^320325430 is an apocalyptic number.

320325430 is a deficient number, since it is larger than the sum of its proper divisors (258996794).

320325430 is a wasteful number, since it uses less digits than its factorization.

320325430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 152031.

The product of its (nonzero) digits is 2160, while the sum is 22.

The square root of 320325430 is about 17897.6375535991. The cubic root of 320325430 is about 684.2221657285. Note that the first 3 decimals are identical.

Adding to 320325430 its reverse (34523023), we get a palindrome (354848453).

The spelling of 320325430 in words is "three hundred twenty million, three hundred twenty-five thousand, four hundred thirty".