11800331 has 4 divisors (see below), whose sum is σ = 11819664. Its totient is φ = 11781000.

The previous prime is 11800319. The next prime is 11800339. The reversal of 11800331 is 13300811.

11800331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11800331 is a prime.

It is a super-2 number, since 2×11800331² = 278495623419122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11800339) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 8720 + ... + 9981.

It is an arithmetic number, because the mean of its divisors is an integer number (2954916).

Almost surely, 2^11800331 is an apocalyptic number.

11800331 is a deficient number, since it is larger than the sum of its proper divisors (19333).

11800331 is an equidigital number, since it uses as much as digits as its factorization.

11800331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19332.

The product of its (nonzero) digits is 72, while the sum is 17.

The square root of 11800331 is about 3435.1609860384. The cubic root of 11800331 is about 227.6659401973.

The spelling of 11800331 in words is "eleven million, eight hundred thousand, three hundred thirty-one".