255223243331 has 24 divisors (see below), whose sum is σ = 303428255040. Its totient is φ = 213953574912.

The previous prime is 255223243283. The next prime is 255223243343. The reversal of 255223243331 is 133342322552.

It is a de Polignac number, because none of the positive numbers 2^k-255223243331 is a prime.

It is a super-2 number, since 2×255223243331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 255223243291 and 255223243300.

It is not an unprimeable number, because it can be changed into a prime (255223243931) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3205601 + ... + 3284253.

It is an arithmetic number, because the mean of its divisors is an integer number (12642843960).

Almost surely, 2^255223243331 is an apocalyptic number.

255223243331 is a deficient number, since it is larger than the sum of its proper divisors (48205011709).

255223243331 is a wasteful number, since it uses less digits than its factorization.

255223243331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80123 (or 80116 counting only the distinct ones).

The product of its digits is 129600, while the sum is 35.

Adding to 255223243331 its reverse (133342322552), we get a palindrome (388565565883).

The spelling of 255223243331 in words is "two hundred fifty-five billion, two hundred twenty-three million, two hundred forty-three thousand, three hundred thirty-one".