118283231 has 8 divisors (see below), whose sum is σ = 130854528. Its totient is φ = 106015000.

The previous prime is 118283201. The next prime is 118283233. The reversal of 118283231 is 132382811.

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

It is a cyclic number.

It is not a de Polignac number, because 118283231 - 2⁶ = 118283167 is a prime.

It is a super-2 number, since 2×118283231² = 27981845471598722, 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 = 118283194 and 118283203.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (118283233) 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, 74945 + ... + 76506.

It is an arithmetic number, because the mean of its divisors is an integer number (16356816).

Almost surely, 2^118283231 is an apocalyptic number.

118283231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

118283231 is a deficient number, since it is larger than the sum of its proper divisors (12571297).

118283231 is a wasteful number, since it uses less digits than its factorization.

118283231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 151533.

The product of its digits is 2304, while the sum is 29.

The square root of 118283231 is about 10875.8094411405. The cubic root of 118283231 is about 490.8789319929.

The spelling of 118283231 in words is "one hundred eighteen million, two hundred eighty-three thousand, two hundred thirty-one".