255054403931 has 2 divisors, whose sum is σ = 255054403932. Its totient is φ = 255054403930.

The previous prime is 255054403921. The next prime is 255054404023. The reversal of 255054403931 is 139304450552.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-255054403931 is a prime.

It is a super-3 number, since 3×255054403931³ (a number of 35 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (255054403921) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 127527201965 + 127527201966.

It is an arithmetic number, because the mean of its divisors is an integer number (127527201966).

Almost surely, 2^255054403931 is an apocalyptic number.

255054403931 is a deficient number, since it is larger than the sum of its proper divisors (1).

255054403931 is an equidigital number, since it uses as much as digits as its factorization.

255054403931 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324000, while the sum is 41.

The spelling of 255054403931 in words is "two hundred fifty-five billion, fifty-four million, four hundred three thousand, nine hundred thirty-one".