320070231 has 64 divisors (see below), whose sum is σ = 546416640. Its totient is φ = 183617280.

The previous prime is 320070229. The next prime is 320070269. The reversal of 320070231 is 132070023.

It is not a de Polignac number, because 320070231 - 2¹ = 320070229 is a prime.

It is a super-2 number, since 2×320070231² = 204889905544786722, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320070031) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 330510 + ... + 331476.

It is an arithmetic number, because the mean of its divisors is an integer number (8537760).

Almost surely, 2^320070231 is an apocalyptic number.

320070231 is a deficient number, since it is larger than the sum of its proper divisors (226346409).

320070231 is a wasteful number, since it uses less digits than its factorization.

320070231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1053 (or 1047 counting only the distinct ones).

The product of its (nonzero) digits is 252, while the sum is 18.

The square root of 320070231 is about 17890.5067284300. The cubic root of 320070231 is about 684.0404138940.

The spelling of 320070231 in words is "three hundred twenty million, seventy thousand, two hundred thirty-one".