255290031 has 6 divisors (see below), whose sum is σ = 368752280. Its totient is φ = 170193348.

The previous prime is 255290017. The next prime is 255290051. The reversal of 255290031 is 130092552.

It is not a de Polignac number, because 255290031 - 2¹⁴ = 255273647 is a prime.

It is a super-2 number, since 2×255290031² = 130345999855961922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 255289977 and 255290004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (255290051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14182771 + ... + 14182788.

Almost surely, 2^255290031 is an apocalyptic number.

255290031 is a deficient number, since it is larger than the sum of its proper divisors (113462249).

255290031 is a wasteful number, since it uses less digits than its factorization.

255290031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28365565 (or 28365562 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 27.

The square root of 255290031 is about 15977.7980648148. The cubic root of 255290031 is about 634.3728952699.

The spelling of 255290031 in words is "two hundred fifty-five million, two hundred ninety thousand, thirty-one".