31043242241 has 48 divisors (see below), whose sum is σ = 38582853120. Its totient is φ = 24816422400.

The previous prime is 31043242231. The next prime is 31043242247. The reversal of 31043242241 is 14224234013.

It is not a de Polignac number, because 31043242241 - 2²² = 31039047937 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 31043242241.

It is not an unprimeable number, because it can be changed into a prime (31043242247) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1840850 + ... + 1857636.

It is an arithmetic number, because the mean of its divisors is an integer number (803809440).

Almost surely, 2^31043242241 is an apocalyptic number.

31043242241 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

31043242241 is a deficient number, since it is larger than the sum of its proper divisors (7539610879).

31043242241 is a wasteful number, since it uses less digits than its factorization.

31043242241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16886 (or 16875 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 31043242241 its reverse (14224234013), we get a palindrome (45267476254).

The spelling of 31043242241 in words is "thirty-one billion, forty-three million, two hundred forty-two thousand, two hundred forty-one".