10403231 has 2 divisors, whose sum is σ = 10403232. Its totient is φ = 10403230.

The previous prime is 10403227. The next prime is 10403233. The reversal of 10403231 is 13230401.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10403231 - 2² = 10403227 is a prime.

It is a super-2 number, since 2×10403231² = 216454430478722, which contains 22 as substring.

Together with 10403233, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10403233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5201615 + 5201616.

It is an arithmetic number, because the mean of its divisors is an integer number (5201616).

Almost surely, 2^10403231 is an apocalyptic number.

10403231 is a deficient number, since it is larger than the sum of its proper divisors (1).

10403231 is an equidigital number, since it uses as much as digits as its factorization.

10403231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 10403231 is about 3225.4040057022. The cubic root of 10403231 is about 218.3011786974.

Adding to 10403231 its reverse (13230401), we get a palindrome (23633632).

The spelling of 10403231 in words is "ten million, four hundred three thousand, two hundred thirty-one".