11042233431 has 48 divisors (see below), whose sum is σ = 16103948256. Its totient is φ = 6704508928.

The previous prime is 11042233421. The next prime is 11042233457. The reversal of 11042233431 is 13433224011.

It is a happy number.

It is not a de Polignac number, because 11042233431 - 2⁹ = 11042232919 is a prime.

It is a super-2 number, since 2×11042233431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11042233421) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 18620671 + ... + 18621263.

It is an arithmetic number, because the mean of its divisors is an integer number (335498922).

Almost surely, 2^11042233431 is an apocalyptic number.

11042233431 is a deficient number, since it is larger than the sum of its proper divisors (5061714825).

11042233431 is an equidigital number, since it uses as much as digits as its factorization.

11042233431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 832 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 11042233431 its reverse (13433224011), we get a palindrome (24475457442).

The spelling of 11042233431 in words is "eleven billion, forty-two million, two hundred thirty-three thousand, four hundred thirty-one".