10503231 has 16 divisors (see below), whose sum is σ = 14421504. Its totient is φ = 6796224.

The previous prime is 10503221. The next prime is 10503277. The reversal of 10503231 is 13230501.

It is a happy number.

It is not a de Polignac number, because 10503231 - 2¹⁰ = 10502207 is a prime.

It is a super-2 number, since 2×10503231² = 220635722878722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 10503231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10503211) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22755 + ... + 23211.

It is an arithmetic number, because the mean of its divisors is an integer number (901344).

Almost surely, 2^10503231 is an apocalyptic number.

10503231 is a deficient number, since it is larger than the sum of its proper divisors (3918273).

10503231 is a wasteful number, since it uses less digits than its factorization.

10503231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 670.

The product of its (nonzero) digits is 90, while the sum is 15.

The square root of 10503231 is about 3240.8688649805. The cubic root of 10503231 is about 218.9984153677.

Adding to 10503231 its reverse (13230501), we get a palindrome (23733732).

The spelling of 10503231 in words is "ten million, five hundred three thousand, two hundred thirty-one".