320231253 has 16 divisors (see below), whose sum is σ = 443304000. Its totient is φ = 205376640.

The previous prime is 320231251. The next prime is 320231281. The reversal of 320231253 is 352132023.

It is not a de Polignac number, because 320231253 - 2¹ = 320231251 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (320231251) 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, 17898 + ... + 30996.

It is an arithmetic number, because the mean of its divisors is an integer number (27706500).

Almost surely, 2^320231253 is an apocalyptic number.

It is an amenable number.

320231253 is a deficient number, since it is larger than the sum of its proper divisors (123072747).

320231253 is a wasteful number, since it uses less digits than its factorization.

320231253 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13412.

The product of its (nonzero) digits is 1080, while the sum is 21.

The square root of 320231253 is about 17895.0063704934. The cubic root of 320231253 is about 684.1551044413.

Adding to 320231253 its reverse (352132023), we get a palindrome (672363276).

The spelling of 320231253 in words is "three hundred twenty million, two hundred thirty-one thousand, two hundred fifty-three".