31442112241 has 4 divisors (see below), whose sum is σ = 31442716672. Its totient is φ = 31441507812.

The previous prime is 31442112199. The next prime is 31442112271. The reversal of 31442112241 is 14221124413.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 31442112241 - 2²⁵ = 31408557809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (31442112271) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 215985 + ... + 330958.

It is an arithmetic number, because the mean of its divisors is an integer number (7860679168).

Almost surely, 2^31442112241 is an apocalyptic number.

It is an amenable number.

31442112241 is a deficient number, since it is larger than the sum of its proper divisors (604431).

31442112241 is an equidigital number, since it uses as much as digits as its factorization.

31442112241 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 604430.

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

Adding to 31442112241 its reverse (14221124413), we get a palindrome (45663236654).

The spelling of 31442112241 in words is "thirty-one billion, four hundred forty-two million, one hundred twelve thousand, two hundred forty-one".