41031311291 has 2 divisors, whose sum is σ = 41031311292. Its totient is φ = 41031311290.

The previous prime is 41031311213. The next prime is 41031311339. The reversal of 41031311291 is 19211313014.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-41031311291 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 41031311291.

It is not a weakly prime, because it can be changed into another prime (41031311891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20515655645 + 20515655646.

It is an arithmetic number, because the mean of its divisors is an integer number (20515655646).

Almost surely, 2^41031311291 is an apocalyptic number.

41031311291 is a deficient number, since it is larger than the sum of its proper divisors (1).

41031311291 is an equidigital number, since it uses as much as digits as its factorization.

41031311291 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 648, while the sum is 26.

The spelling of 41031311291 in words is "forty-one billion, thirty-one million, three hundred eleven thousand, two hundred ninety-one".