255332315135331 has 24 divisors (see below), whose sum is σ = 425593207054080. Its totient is φ = 144487634636016.

The previous prime is 255332315135327. The next prime is 255332315135351. The reversal of 255332315135331 is 133531513233552.

255332315135331 is a `hidden beast` number, since 2 + 5 + 5 + 3 + 3 + 231 + 51 + 35 + 331 = 666.

It is not a de Polignac number, because 255332315135331 - 2² = 255332315135327 is a prime.

It is a super-2 number, since 2×255332315135331² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (255332315135351) 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, 19674235701 + ... + 19674248678.

It is an arithmetic number, because the mean of its divisors is an integer number (17733050293920).

Almost surely, 2^{255332315135331} is an apocalyptic number.

255332315135331 is a gapful number since it is divisible by the number (21) formed by its first and last digit.

255332315135331 is a deficient number, since it is larger than the sum of its proper divisors (170260891918749).

255332315135331 is a wasteful number, since it uses less digits than its factorization.

255332315135331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39348484495 (or 39348484492 counting only the distinct ones).

The product of its digits is 1822500, while the sum is 45.

Adding to 255332315135331 its reverse (133531513233552), we get a palindrome (388863828368883).

The spelling of 255332315135331 in words is "two hundred fifty-five trillion, three hundred thirty-two billion, three hundred fifteen million, one hundred thirty-five thousand, three hundred thirty-one".