10440003231 has 24 divisors (see below), whose sum is σ = 17237136800. Its totient is φ = 5964731136.

The previous prime is 10440003221. The next prime is 10440003247. The reversal of 10440003231 is 13230004401.

It is not a de Polignac number, because 10440003231 - 2¹⁹ = 10439478943 is a prime.

It is a super-2 number, since 2×10440003231² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10440003221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 560931 + ... + 579243.

Almost surely, 2^10440003231 is an apocalyptic number.

10440003231 is a deficient number, since it is larger than the sum of its proper divisors (6797133569).

10440003231 is a wasteful number, since it uses less digits than its factorization.

10440003231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27375 (or 27372 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 10440003231 its reverse (13230004401), we get a palindrome (23670007632).

The spelling of 10440003231 in words is "ten billion, four hundred forty million, three thousand, two hundred thirty-one".