118041731 has 2 divisors, whose sum is σ = 118041732. Its totient is φ = 118041730.

The previous prime is 118041701. The next prime is 118041733. The reversal of 118041731 is 137140811.

It is a strong prime.

It is an emirp because it is prime and its reverse (137140811) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 118041731 - 2⁶ = 118041667 is a prime.

It is a super-2 number, since 2×118041731² = 27867700514952722, which contains 22 as substring.

Together with 118041733, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 118041731.

It is not a weakly prime, because it can be changed into another prime (118041733) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59020865 + 59020866.

It is an arithmetic number, because the mean of its divisors is an integer number (59020866).

Almost surely, 2^118041731 is an apocalyptic number.

118041731 is a deficient number, since it is larger than the sum of its proper divisors (1).

118041731 is an equidigital number, since it uses as much as digits as its factorization.

118041731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 672, while the sum is 26.

The square root of 118041731 is about 10864.7011463731. The cubic root of 118041731 is about 490.5446269738.

The spelling of 118041731 in words is "one hundred eighteen million, forty-one thousand, seven hundred thirty-one".