117882031 has 2 divisors, whose sum is σ = 117882032. Its totient is φ = 117882030.

The previous prime is 117881999. The next prime is 117882047. The reversal of 117882031 is 130288711.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 117882031 - 2⁵ = 117881999 is a prime.

It is a super-2 number, since 2×117882031² = 27792346465369922, which contains 22 as substring.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 117881984 and 117882002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (117882091) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58941015 + 58941016.

It is an arithmetic number, because the mean of its divisors is an integer number (58941016).

Almost surely, 2^117882031 is an apocalyptic number.

117882031 is a deficient number, since it is larger than the sum of its proper divisors (1).

117882031 is an equidigital number, since it uses as much as digits as its factorization.

117882031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2688, while the sum is 31.

The square root of 117882031 is about 10857.3491700323. The cubic root of 117882031 is about 490.3233060001.

The spelling of 117882031 in words is "one hundred seventeen million, eight hundred eighty-two thousand, thirty-one".