71416223351831 has 2 divisors, whose sum is σ = 71416223351832. Its totient is φ = 71416223351830.

The previous prime is 71416223351827. The next prime is 71416223351917. The reversal of 71416223351831 is 13815332261417.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 71416223351831 - 2² = 71416223351827 is a prime.

It is a super-2 number, since 2×71416223351831² (a number of 29 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71416223351801) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35708111675915 + 35708111675916.

It is an arithmetic number, because the mean of its divisors is an integer number (35708111675916).

Almost surely, 2^{71416223351831} is an apocalyptic number.

71416223351831 is a deficient number, since it is larger than the sum of its proper divisors (1).

71416223351831 is an equidigital number, since it uses as much as digits as its factorization.

71416223351831 is an evil number, because the sum of its binary digits is even.

The product of its digits is 725760, while the sum is 47.

The spelling of 71416223351831 in words is "seventy-one trillion, four hundred sixteen billion, two hundred twenty-three million, three hundred fifty-one thousand, eight hundred thirty-one".