116791231 has 2 divisors, whose sum is σ = 116791232. Its totient is φ = 116791230.

The previous prime is 116791219. The next prime is 116791319. The reversal of 116791231 is 132197611.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 116791231 - 2¹³ = 116783039 is a prime.

It is a super-2 number, since 2×116791231² = 27280383276990722, which contains 22 as substring.

It is equal to p_6669202 and since 116791231 and 6669202 have the same sum of digits, it is a Honaker prime.

It is a junction number, because it is equal to n+sod(n) for n = 116791193 and 116791202.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (116791331) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 58395615 + 58395616.

It is an arithmetic number, because the mean of its divisors is an integer number (58395616).

Almost surely, 2^116791231 is an apocalyptic number.

116791231 is a deficient number, since it is larger than the sum of its proper divisors (1).

116791231 is an equidigital number, since it uses as much as digits as its factorization.

116791231 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2268, while the sum is 31.

The square root of 116791231 is about 10806.9991672064. Note that the first 3 decimals coincide. The cubic root of 116791231 is about 488.8062444457.

The spelling of 116791231 in words is "one hundred sixteen million, seven hundred ninety-one thousand, two hundred thirty-one".