11231444031 has 16 divisors (see below), whose sum is σ = 15300816000. Its totient is φ = 7326351648.

The previous prime is 11231444023. The next prime is 11231444033. The reversal of 11231444031 is 13044413211.

It is not a de Polignac number, because 11231444031 - 2³ = 11231444023 is a prime.

It is a super-2 number, since 2×11231444031² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 11231443992 and 11231444010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11231444033) 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, 157561 + ... + 217458.

It is an arithmetic number, because the mean of its divisors is an integer number (956301000).

Almost surely, 2^11231444031 is an apocalyptic number.

11231444031 is a deficient number, since it is larger than the sum of its proper divisors (4069371969).

11231444031 is a wasteful number, since it uses less digits than its factorization.

11231444031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 375238.

The product of its (nonzero) digits is 1152, while the sum is 24.

Adding to 11231444031 its reverse (13044413211), we get a palindrome (24275857242).

The spelling of 11231444031 in words is "eleven billion, two hundred thirty-one million, four hundred forty-four thousand, thirty-one".