118469431 has 2 divisors, whose sum is σ = 118469432. Its totient is φ = 118469430.

The previous prime is 118469411. The next prime is 118469441. The reversal of 118469431 is 134964811.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 118469431 - 2¹¹ = 118467383 is a prime.

It is a super-2 number, since 2×118469431² = 28070012162927522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (118469411) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 59234715 + 59234716.

It is an arithmetic number, because the mean of its divisors is an integer number (59234716).

Almost surely, 2^118469431 is an apocalyptic number.

118469431 is a deficient number, since it is larger than the sum of its proper divisors (1).

118469431 is an equidigital number, since it uses as much as digits as its factorization.

118469431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 20736, while the sum is 37.

The square root of 118469431 is about 10884.3663573035. The cubic root of 118469431 is about 491.1363754675.

The spelling of 118469431 in words is "one hundred eighteen million, four hundred sixty-nine thousand, four hundred thirty-one".