13340331 has 12 divisors (see below), whose sum is σ = 19301152. Its totient is φ = 8878896.

The previous prime is 13340309. The next prime is 13340351. The reversal of 13340331 is 13304331.

13340331 is a `hidden beast` number, since 1 + 334 + 0 + 331 = 666.

13340331 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 13340331 - 2¹⁵ = 13307563 is a prime.

It is a super-2 number, since 2×13340331² = 355928862379122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13340351) 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, 9390 + ... + 10716.

Almost surely, 2^13340331 is an apocalyptic number.

13340331 is a deficient number, since it is larger than the sum of its proper divisors (5960821).

13340331 is a wasteful number, since it uses less digits than its factorization.

13340331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2450 (or 2447 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 13340331 is about 3652.4417859837. The cubic root of 13340331 is about 237.1676963005.

Adding to 13340331 its reverse (13304331), we get a palindrome (26644662).

The spelling of 13340331 in words is "thirteen million, three hundred forty thousand, three hundred thirty-one".