320122231 has 16 divisors (see below), whose sum is σ = 380328480. Its totient is φ = 265605120.

The previous prime is 320122207. The next prime is 320122247. The reversal of 320122231 is 132221023.

It is not a de Polignac number, because 320122231 - 2²³ = 311733623 is a prime.

It is a super-2 number, since 2×320122231² = 204956485560834722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320122331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 151 + ... + 25303.

It is an arithmetic number, because the mean of its divisors is an integer number (23770530).

Almost surely, 2^320122231 is an apocalyptic number.

320122231 is a deficient number, since it is larger than the sum of its proper divisors (60206249).

320122231 is a wasteful number, since it uses less digits than its factorization.

320122231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25266.

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 320122231 is about 17891.9599541246. The cubic root of 320122231 is about 684.0774559471.

Adding to 320122231 its reverse (132221023), we get a palindrome (452343254).

It can be divided in two parts, 32012 and 2231, that added together give a palindrome (34243).

The spelling of 320122231 in words is "three hundred twenty million, one hundred twenty-two thousand, two hundred thirty-one".