118698231 has 8 divisors (see below), whose sum is σ = 159313024. Its totient is φ = 78607800.

The previous prime is 118698179. The next prime is 118698289. The reversal of 118698231 is 132896811.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 118698231 - 2¹⁰ = 118697207 is a prime.

It is a super-2 number, since 2×118698231² = 28178540085058722, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 118698231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118698031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 130561 + ... + 131466.

It is an arithmetic number, because the mean of its divisors is an integer number (19914128).

Almost surely, 2^118698231 is an apocalyptic number.

118698231 is a deficient number, since it is larger than the sum of its proper divisors (40614793).

118698231 is a wasteful number, since it uses less digits than its factorization.

118698231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262181.

The product of its digits is 20736, while the sum is 39.

The square root of 118698231 is about 10894.8717752895. The cubic root of 118698231 is about 491.4523493518.

It can be divided in two parts, 11869 and 8231, that added together give a triangular number (20100 = T₂₀₀).

The spelling of 118698231 in words is "one hundred eighteen million, six hundred ninety-eight thousand, two hundred thirty-one".