331223255 has 16 divisors (see below), whose sum is σ = 434571264. Its totient is φ = 240350880.

The previous prime is 331223237. The next prime is 331223261. The reversal of 331223255 is 552322133.

It is not a de Polignac number, because 331223255 - 2¹⁶ = 331157719 is a prime.

It is a Duffinian number.

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, 18962 + ... + 31968.

It is an arithmetic number, because the mean of its divisors is an integer number (27160704).

Almost surely, 2^331223255 is an apocalyptic number.

331223255 is a deficient number, since it is larger than the sum of its proper divisors (103348009).

331223255 is a wasteful number, since it uses less digits than its factorization.

331223255 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13486.

The product of its digits is 5400, while the sum is 26.

The square root of 331223255 is about 18199.5399667134. The cubic root of 331223255 is about 691.8951297026.

Adding to 331223255 its reverse (552322133), we get a palindrome (883545388).

The spelling of 331223255 in words is "three hundred thirty-one million, two hundred twenty-three thousand, two hundred fifty-five".