1314431443847 has 2 divisors, whose sum is σ = 1314431443848. Its totient is φ = 1314431443846.

The previous prime is 1314431443841. The next prime is 1314431443873. The reversal of 1314431443847 is 7483441344131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1314431443847 - 2¹² = 1314431439751 is a prime.

It is a super-2 number, since 2×1314431443847² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1314431443841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 657215721923 + 657215721924.

It is an arithmetic number, because the mean of its divisors is an integer number (657215721924).

Almost surely, 2^{1314431443847} is an apocalyptic number.

1314431443847 is a deficient number, since it is larger than the sum of its proper divisors (1).

1314431443847 is an equidigital number, since it uses as much as digits as its factorization.

1314431443847 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1548288, while the sum is 47.

Adding to 1314431443847 its reverse (7483441344131), we get a palindrome (8797872787978).

The spelling of 1314431443847 in words is "one trillion, three hundred fourteen billion, four hundred thirty-one million, four hundred forty-three thousand, eight hundred forty-seven".