86314635731 has 2 divisors, whose sum is σ = 86314635732. Its totient is φ = 86314635730.

The previous prime is 86314635709. The next prime is 86314635739. The reversal of 86314635731 is 13753641368.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-86314635731 is a prime.

It is a super-2 number, since 2×86314635731² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (86314635739) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 43157317865 + 43157317866.

It is an arithmetic number, because the mean of its divisors is an integer number (43157317866).

Almost surely, 2^86314635731 is an apocalyptic number.

86314635731 is a deficient number, since it is larger than the sum of its proper divisors (1).

86314635731 is an equidigital number, since it uses as much as digits as its factorization.

86314635731 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1088640, while the sum is 47.

The spelling of 86314635731 in words is "eighty-six billion, three hundred fourteen million, six hundred thirty-five thousand, seven hundred thirty-one".