31417644241 has 2 divisors, whose sum is σ = 31417644242. Its totient is φ = 31417644240.

The previous prime is 31417644239. The next prime is 31417644281. The reversal of 31417644241 is 14244671413.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25863072400 + 5554571841 = 160820^2 + 74529^2 .

It is a cyclic number.

It is not a de Polignac number, because 31417644241 - 2¹ = 31417644239 is a prime.

Together with 31417644239, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 31417644241.

It is not a weakly prime, because it can be changed into another prime (31417644211) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15708822120 + 15708822121.

It is an arithmetic number, because the mean of its divisors is an integer number (15708822121).

Almost surely, 2^31417644241 is an apocalyptic number.

It is an amenable number.

31417644241 is a deficient number, since it is larger than the sum of its proper divisors (1).

31417644241 is an equidigital number, since it uses as much as digits as its factorization.

31417644241 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 37.

The spelling of 31417644241 in words is "thirty-one billion, four hundred seventeen million, six hundred forty-four thousand, two hundred forty-one".