117000731 has 2 divisors, whose sum is σ = 117000732. Its totient is φ = 117000730.

The previous prime is 117000661. The next prime is 117000781. The reversal of 117000731 is 137000711.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117000731 - 2²⁶ = 49891867 is a prime.

It is a super-2 number, since 2×117000731² = 27378342109068722, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (117000781) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58500365 + 58500366.

It is an arithmetic number, because the mean of its divisors is an integer number (58500366).

Almost surely, 2^117000731 is an apocalyptic number.

117000731 is a deficient number, since it is larger than the sum of its proper divisors (1).

117000731 is an equidigital number, since it uses as much as digits as its factorization.

117000731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 147, while the sum is 20.

The square root of 117000731 is about 10816.6876168261. The cubic root of 117000731 is about 489.0983432532.

Subtracting from 117000731 its sum of digits (20), we obtain a palindrome (117000711).

The spelling of 117000731 in words is "one hundred seventeen million, seven hundred thirty-one", and thus it is an aban number.