11442233131 has 8 divisors (see below), whose sum is σ = 13645396224. Its totient is φ = 9381209640.

The previous prime is 11442233119. The next prime is 11442233161. The reversal of 11442233131 is 13133224411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11442233131 - 2⁷ = 11442233003 is a prime.

It is a super-2 number, since 2×11442233131² (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 = 11442233096 and 11442233105.

It is not an unprimeable number, because it can be changed into a prime (11442233111) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35534725 + ... + 35535046.

It is an arithmetic number, because the mean of its divisors is an integer number (1705674528).

Almost surely, 2^11442233131 is an apocalyptic number.

11442233131 is a deficient number, since it is larger than the sum of its proper divisors (2203163093).

11442233131 is an equidigital number, since it uses as much as digits as its factorization.

11442233131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71069801.

The product of its digits is 1728, while the sum is 25.

Adding to 11442233131 its reverse (13133224411), we get a palindrome (24575457542).

The spelling of 11442233131 in words is "eleven billion, four hundred forty-two million, two hundred thirty-three thousand, one hundred thirty-one".