1255340325431 has 2 divisors, whose sum is σ = 1255340325432. Its totient is φ = 1255340325430.

The previous prime is 1255340325301. The next prime is 1255340325443. The reversal of 1255340325431 is 1345230435521.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1255340325431 is a prime.

It is a super-2 number, since 2×1255340325431² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1255340325131) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627670162715 + 627670162716.

It is an arithmetic number, because the mean of its divisors is an integer number (627670162716).

Almost surely, 2^{1255340325431} is an apocalyptic number.

1255340325431 is a deficient number, since it is larger than the sum of its proper divisors (1).

1255340325431 is an equidigital number, since it uses as much as digits as its factorization.

1255340325431 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 216000, while the sum is 38.

The spelling of 1255340325431 in words is "one trillion, two hundred fifty-five billion, three hundred forty million, three hundred twenty-five thousand, four hundred thirty-one".