11424442331 has 4 divisors (see below), whose sum is σ = 11468895672. Its totient is φ = 11379988992.

The previous prime is 11424442319. The next prime is 11424442339. The reversal of 11424442331 is 13324442411.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 13324442411 = 7 ⋅1903491773.

It is a cyclic number.

It is not a de Polignac number, because 11424442331 - 2¹⁰ = 11424441307 is a prime.

It is a super-2 number, since 2×11424442331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11424442294 and 11424442303.

It is not an unprimeable number, because it can be changed into a prime (11424442339) 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, 22226285 + ... + 22226798.

It is an arithmetic number, because the mean of its divisors is an integer number (2867223918).

Almost surely, 2^11424442331 is an apocalyptic number.

11424442331 is a deficient number, since it is larger than the sum of its proper divisors (44453341).

11424442331 is an equidigital number, since it uses as much as digits as its factorization.

11424442331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44453340.

The product of its digits is 9216, while the sum is 29.

Adding to 11424442331 its reverse (13324442411), we get a palindrome (24748884742).

The spelling of 11424442331 in words is "eleven billion, four hundred twenty-four million, four hundred forty-two thousand, three hundred thirty-one".