320413430 has 32 divisors (see below), whose sum is σ = 591162624. Its totient is φ = 124999776.

The previous prime is 320413409. The next prime is 320413453. The reversal of 320413430 is 34314023.

It is a super-2 number, since 2×320413430² = 205329532248729800, 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 15 ways as a sum of consecutive naturals, for example, 66689 + ... + 71331.

It is an arithmetic number, because the mean of its divisors is an integer number (18473832).

Almost surely, 2^320413430 is an apocalyptic number.

320413430 is a deficient number, since it is larger than the sum of its proper divisors (270749194).

320413430 is a wasteful number, since it uses less digits than its factorization.

320413430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4820.

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 320413430 is about 17900.0958097995. The cubic root of 320413430 is about 684.2848166370.

Adding to 320413430 its reverse (34314023), we get a palindrome (354727453).

The spelling of 320413430 in words is "three hundred twenty million, four hundred thirteen thousand, four hundred thirty".