11442242131 has 4 divisors (see below), whose sum is σ = 11492648712. Its totient is φ = 11391835552.

The previous prime is 11442242107. The next prime is 11442242143. The reversal of 11442242131 is 13124224411.

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 11442242131 - 2⁹ = 11442241619 is a prime.

It is a super-2 number, since 2×11442242131² (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 = 11442242096 and 11442242105.

It is not an unprimeable number, because it can be changed into a prime (11442242531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25202950 + ... + 25203403.

It is an arithmetic number, because the mean of its divisors is an integer number (2873162178).

Almost surely, 2^11442242131 is an apocalyptic number.

11442242131 is a deficient number, since it is larger than the sum of its proper divisors (50406581).

11442242131 is an equidigital number, since it uses as much as digits as its factorization.

11442242131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50406580.

The product of its digits is 1536, while the sum is 25.

Adding to 11442242131 its reverse (13124224411), we get a palindrome (24566466542).

The spelling of 11442242131 in words is "eleven billion, four hundred forty-two million, two hundred forty-two thousand, one hundred thirty-one".