13450331 has 8 divisors (see below), whose sum is σ = 14081280. Its totient is φ = 12823272.

The previous prime is 13450321. The next prime is 13450361. The reversal of 13450331 is 13305431.

It is a happy number.

13450331 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 13450331 - 2⁶ = 13450267 is a prime.

It is a super-2 number, since 2×13450331² = 361822808019122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13450301) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7946 + ... + 9488.

It is an arithmetic number, because the mean of its divisors is an integer number (1760160).

Almost surely, 2^13450331 is an apocalyptic number.

13450331 is a deficient number, since it is larger than the sum of its proper divisors (630949).

13450331 is a wasteful number, since it uses less digits than its factorization.

13450331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1945.

The product of its (nonzero) digits is 540, while the sum is 20.

The square root of 13450331 is about 3667.4692909416. The cubic root of 13450331 is about 237.8177818114.

Adding to 13450331 its reverse (13305431), we get a palindrome (26755762).

The spelling of 13450331 in words is "thirteen million, four hundred fifty thousand, three hundred thirty-one".