93131431927 has 2 divisors, whose sum is σ = 93131431928. Its totient is φ = 93131431926.

The previous prime is 93131431903. The next prime is 93131431931. The reversal of 93131431927 is 72913413139.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 93131431927 - 2¹⁵ = 93131399159 is a prime.

It is a super-2 number, since 2×93131431927² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (93131431997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 46565715963 + 46565715964.

It is an arithmetic number, because the mean of its divisors is an integer number (46565715964).

Almost surely, 2^93131431927 is an apocalyptic number.

93131431927 is a deficient number, since it is larger than the sum of its proper divisors (1).

93131431927 is an equidigital number, since it uses as much as digits as its factorization.

93131431927 is an evil number, because the sum of its binary digits is even.

The product of its digits is 122472, while the sum is 43.

The spelling of 93131431927 in words is "ninety-three billion, one hundred thirty-one million, four hundred thirty-one thousand, nine hundred twenty-seven".