10440151231 has 4 divisors (see below), whose sum is σ = 11054277792. Its totient is φ = 9826024672.

The previous prime is 10440151229. The next prime is 10440151243. The reversal of 10440151231 is 13215104401.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 10440151231 - 2¹ = 10440151229 is a prime.

It is a super-2 number, since 2×10440151231² (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 (10440151291) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 307063255 + ... + 307063288.

It is an arithmetic number, because the mean of its divisors is an integer number (2763569448).

Almost surely, 2^10440151231 is an apocalyptic number.

10440151231 is a deficient number, since it is larger than the sum of its proper divisors (614126561).

10440151231 is an equidigital number, since it uses as much as digits as its factorization.

10440151231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 614126560.

The product of its (nonzero) digits is 480, while the sum is 22.

Adding to 10440151231 its reverse (13215104401), we get a palindrome (23655255632).

The spelling of 10440151231 in words is "ten billion, four hundred forty million, one hundred fifty-one thousand, two hundred thirty-one".