118312203 has 4 divisors (see below), whose sum is σ = 157749608. Its totient is φ = 78874800.

The previous prime is 118312193. The next prime is 118312211. The reversal of 118312203 is 302213811.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 118312203 - 2⁵ = 118312171 is a prime.

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 118312203.

It is not an unprimeable number, because it can be changed into a prime (118312283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19718698 + ... + 19718703.

It is an arithmetic number, because the mean of its divisors is an integer number (39437402).

Almost surely, 2^118312203 is an apocalyptic number.

118312203 is a deficient number, since it is larger than the sum of its proper divisors (39437405).

118312203 is an equidigital number, since it uses as much as digits as its factorization.

118312203 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39437404.

The product of its (nonzero) digits is 288, while the sum is 21.

The square root of 118312203 is about 10877.1413064279. The cubic root of 118312203 is about 490.9190069421.

The spelling of 118312203 in words is "one hundred eighteen million, three hundred twelve thousand, two hundred three".