355687428096031 has 2 divisors, whose sum is σ = 355687428096032. Its totient is φ = 355687428096030.

The previous prime is 355687428095941. The next prime is 355687428096053. The reversal of 355687428096031 is 130690824786553.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 355687428096031 - 2¹⁹ = 355687427571743 is a prime.

It is a super-2 number, since 2×355687428096031² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (355687428096631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 177843714048015 + 177843714048016.

It is an arithmetic number, because the mean of its divisors is an integer number (177843714048016).

It is a 2-persistent number, because it is pandigital, and so is 2⋅355687428096031 = 711374856192062, but 3⋅355687428096031 = 1067062284288093 is not.

Almost surely, 2^{355687428096031} is an apocalyptic number.

355687428096031 is a deficient number, since it is larger than the sum of its proper divisors (1).

355687428096031 is an equidigital number, since it uses as much as digits as its factorization.

355687428096031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 261273600, while the sum is 67.

The spelling of 355687428096031 in words is "three hundred fifty-five trillion, six hundred eighty-seven billion, four hundred twenty-eight million, ninety-six thousand, thirty-one".