11315331 has 12 divisors (see below), whose sum is σ = 16412760. Its totient is φ = 7512000.

The previous prime is 11315327. The next prime is 11315347. The reversal of 11315331 is 13351311.

11315331 is a `hidden beast` number, since 1 + 131 + 533 + 1 = 666.

11315331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 11315331 - 2² = 11315327 is a prime.

It is a super-3 number, since 3×11315331³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (11315351) 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, 246 + ... + 4763.

It is an arithmetic number, because the mean of its divisors is an integer number (1367730).

Almost surely, 2^11315331 is an apocalyptic number.

11315331 is a deficient number, since it is larger than the sum of its proper divisors (5097429).

11315331 is a wasteful number, since it uses less digits than its factorization.

11315331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5266 (or 5263 counting only the distinct ones).

The product of its digits is 135, while the sum is 18.

The square root of 11315331 is about 3363.8268385873. The cubic root of 11315331 is about 224.5031406482.

Adding to 11315331 its reverse (13351311), we get a palindrome (24666642).

The spelling of 11315331 in words is "eleven million, three hundred fifteen thousand, three hundred thirty-one".