10011440231 has 16 divisors (see below), whose sum is σ = 10967839680. Its totient is φ = 9081918720.

The previous prime is 10011440177. The next prime is 10011440237. The reversal of 10011440231 is 13204411001.

It is a happy number.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10011440231 is a prime.

It is a super-2 number, since 2×10011440231² (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 (10011440237) 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, 1028435 + ... + 1038123.

It is an arithmetic number, because the mean of its divisors is an integer number (685489980).

Almost surely, 2^10011440231 is an apocalyptic number.

10011440231 is a deficient number, since it is larger than the sum of its proper divisors (956399449).

10011440231 is a wasteful number, since it uses less digits than its factorization.

10011440231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11066.

The product of its (nonzero) digits is 96, while the sum is 17.

Adding to 10011440231 its reverse (13204411001), we get a palindrome (23215851232).

The spelling of 10011440231 in words is "ten billion, eleven million, four hundred forty thousand, two hundred thirty-one".