13003231 has 2 divisors, whose sum is σ = 13003232. Its totient is φ = 13003230.

The previous prime is 13003219. The next prime is 13003247. The reversal of 13003231 is 13230031.

13003231 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 13003231 - 2¹³ = 12995039 is a prime.

It is a super-2 number, since 2×13003231² = 338168032878722, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13003531) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6501615 + 6501616.

It is an arithmetic number, because the mean of its divisors is an integer number (6501616).

Almost surely, 2^13003231 is an apocalyptic number.

13003231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13003231 is an equidigital number, since it uses as much as digits as its factorization.

13003231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 13003231 is about 3605.9993067110. Note that the first 3 decimals coincide. The cubic root of 13003231 is about 235.1529470620.

Adding to 13003231 its reverse (13230031), we get a palindrome (26233262).

The spelling of 13003231 in words is "thirteen million, three thousand, two hundred thirty-one".