31442311241 has 32 divisors (see below), whose sum is σ = 35977374720. Its totient is φ = 27215406400.

The previous prime is 31442311237. The next prime is 31442311259. The reversal of 31442311241 is 14211324413.

It is a cyclic number.

It is not a de Polignac number, because 31442311241 - 2² = 31442311237 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 31442311241.

It is not an unprimeable number, because it can be changed into a prime (31442311541) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25708556 + ... + 25709778.

It is an arithmetic number, because the mean of its divisors is an integer number (1124292960).

Almost surely, 2^31442311241 is an apocalyptic number.

It is an amenable number.

31442311241 is a deficient number, since it is larger than the sum of its proper divisors (4535063479).

31442311241 is a wasteful number, since it uses less digits than its factorization.

31442311241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2317.

The product of its digits is 2304, while the sum is 26.

Adding to 31442311241 its reverse (14211324413), we get a palindrome (45653635654).

The spelling of 31442311241 in words is "thirty-one billion, four hundred forty-two million, three hundred eleven thousand, two hundred forty-one".