71431304941 has 2 divisors, whose sum is σ = 71431304942. Its totient is φ = 71431304940.

The previous prime is 71431304929. The next prime is 71431304951. The reversal of 71431304941 is 14940313417.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 55792802025 + 15638502916 = 236205^2 + 125054^2 .

It is an emirp because it is prime and its reverse (14940313417) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 71431304941 - 2¹¹ = 71431302893 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 71431304941.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71431304951) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35715652470 + 35715652471.

It is an arithmetic number, because the mean of its divisors is an integer number (35715652471).

Almost surely, 2^71431304941 is an apocalyptic number.

It is an amenable number.

71431304941 is a deficient number, since it is larger than the sum of its proper divisors (1).

71431304941 is an equidigital number, since it uses as much as digits as its factorization.

71431304941 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 37.

The spelling of 71431304941 in words is "seventy-one billion, four hundred thirty-one million, three hundred four thousand, nine hundred forty-one".