531313306127 has 2 divisors, whose sum is σ = 531313306128. Its totient is φ = 531313306126.

The previous prime is 531313306099. The next prime is 531313306141. The reversal of 531313306127 is 721603313135.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 531313306127 - 2¹⁸ = 531313043983 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (531313309127) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 265656653063 + 265656653064.

It is an arithmetic number, because the mean of its divisors is an integer number (265656653064).

Almost surely, 2^531313306127 is an apocalyptic number.

531313306127 is a deficient number, since it is larger than the sum of its proper divisors (1).

531313306127 is an equidigital number, since it uses as much as digits as its factorization.

531313306127 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34020, while the sum is 35.

The spelling of 531313306127 in words is "five hundred thirty-one billion, three hundred thirteen million, three hundred six thousand, one hundred twenty-seven".