71444301431 has 2 divisors, whose sum is σ = 71444301432. Its totient is φ = 71444301430.

The previous prime is 71444301403. The next prime is 71444301437. The reversal of 71444301431 is 13410344417.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 71444301431 - 2¹⁴ = 71444285047 is a prime.

It is a super-2 number, since 2×71444301431² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (71444301437) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 35722150715 + 35722150716.

It is an arithmetic number, because the mean of its divisors is an integer number (35722150716).

Almost surely, 2^71444301431 is an apocalyptic number.

71444301431 is a deficient number, since it is larger than the sum of its proper divisors (1).

71444301431 is an equidigital number, since it uses as much as digits as its factorization.

71444301431 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16128, while the sum is 32.

Adding to 71444301431 its reverse (13410344417), we get a palindrome (84854645848).

The spelling of 71444301431 in words is "seventy-one billion, four hundred forty-four million, three hundred one thousand, four hundred thirty-one".