118250231 has 4 divisors (see below), whose sum is σ = 129000264. Its totient is φ = 107500200.

The previous prime is 118250227. The next prime is 118250233. The reversal of 118250231 is 132052811.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132052811 = 11 ⋅12004801.

It is a cyclic number.

It is not a de Polignac number, because 118250231 - 2² = 118250227 is a prime.

It is a super-2 number, since 2×118250231² = 27966234263106722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 118250197 and 118250206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118250233) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5375000 + ... + 5375021.

It is an arithmetic number, because the mean of its divisors is an integer number (32250066).

Almost surely, 2^118250231 is an apocalyptic number.

118250231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

118250231 is a deficient number, since it is larger than the sum of its proper divisors (10750033).

118250231 is a wasteful number, since it uses less digits than its factorization.

118250231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10750032.

The product of its (nonzero) digits is 480, while the sum is 23.

The square root of 118250231 is about 10874.2922068519. The cubic root of 118250231 is about 490.8332774192.

The spelling of 118250231 in words is "one hundred eighteen million, two hundred fifty thousand, two hundred thirty-one".