11286331 has 4 divisors (see below), whose sum is σ = 12898672. Its totient is φ = 9673992.

The previous prime is 11286329. The next prime is 11286343. The reversal of 11286331 is 13368211.

11286331 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 not a de Polignac number, because 11286331 - 2¹ = 11286329 is a prime.

It is a super-2 number, since 2×11286331² = 254762534883122, 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 = 11286296 and 11286305.

It is not an unprimeable number, because it can be changed into a prime (11286371) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 806160 + ... + 806173.

It is an arithmetic number, because the mean of its divisors is an integer number (3224668).

Almost surely, 2^11286331 is an apocalyptic number.

11286331 is a deficient number, since it is larger than the sum of its proper divisors (1612341).

11286331 is an equidigital number, since it uses as much as digits as its factorization.

11286331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1612340.

The product of its digits is 864, while the sum is 25.

The square root of 11286331 is about 3359.5135064470. The cubic root of 11286331 is about 224.3111839422.

The spelling of 11286331 in words is "eleven million, two hundred eighty-six thousand, three hundred thirty-one".