117009842731 has 2 divisors, whose sum is σ = 117009842732. Its totient is φ = 117009842730.

The previous prime is 117009842717. The next prime is 117009842791. The reversal of 117009842731 is 137248900711.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 117009842731 - 2¹¹ = 117009840683 is a prime.

It is a super-2 number, since 2×117009842731² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (117009842701) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58504921365 + 58504921366.

It is an arithmetic number, because the mean of its divisors is an integer number (58504921366).

Almost surely, 2^117009842731 is an apocalyptic number.

117009842731 is a deficient number, since it is larger than the sum of its proper divisors (1).

117009842731 is an equidigital number, since it uses as much as digits as its factorization.

117009842731 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 84672, while the sum is 43.

The spelling of 117009842731 in words is "one hundred seventeen billion, nine million, eight hundred forty-two thousand, seven hundred thirty-one".