11810331 has 12 divisors (see below), whose sum is σ = 18371808. Its totient is φ = 7267824.

The previous prime is 11810329. The next prime is 11810341. The reversal of 11810331 is 13301811.

It is a happy number.

11810331 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 not a de Polignac number, because 11810331 - 2¹ = 11810329 is a prime.

It is a super-2 number, since 2×11810331² = 278967836659122, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (11810311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 50355 + ... + 50588.

It is an arithmetic number, because the mean of its divisors is an integer number (1530984).

Almost surely, 2^11810331 is an apocalyptic number.

11810331 is a deficient number, since it is larger than the sum of its proper divisors (6561477).

11810331 is a wasteful number, since it uses less digits than its factorization.

11810331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100962 (or 100959 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 11810331 is about 3436.6162136613. The cubic root of 11810331 is about 227.7302326480.

The spelling of 11810331 in words is "eleven million, eight hundred ten thousand, three hundred thirty-one".