11816331 has 16 divisors (see below), whose sum is σ = 16080768. Its totient is φ = 7716800.

The previous prime is 11816303. The next prime is 11816339. The reversal of 11816331 is 13361811.

11816331 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 11816331 - 2⁹ = 11815819 is a prime.

It is a super-2 number, since 2×11816331² = 279251356603122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11816339) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 41911 + ... + 42191.

It is an arithmetic number, because the mean of its divisors is an integer number (1005048).

Almost surely, 2^11816331 is an apocalyptic number.

11816331 is a deficient number, since it is larger than the sum of its proper divisors (4264437).

11816331 is a wasteful number, since it uses less digits than its factorization.

11816331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 522.

The product of its digits is 432, while the sum is 24.

The square root of 11816331 is about 3437.4890545280. The cubic root of 11816331 is about 227.7687907001.

The spelling of 11816331 in words is "eleven million, eight hundred sixteen thousand, three hundred thirty-one".