10000031343191 has 2 divisors, whose sum is σ = 10000031343192. Its totient is φ = 10000031343190.

The previous prime is 10000031343157. The next prime is 10000031343227. The reversal of 10000031343191 is 19134313000001.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-10000031343191 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10000031343191.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10000031343791) 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, 5000015671595 + 5000015671596.

It is an arithmetic number, because the mean of its divisors is an integer number (5000015671596).

Almost surely, 2^{10000031343191} is an apocalyptic number.

10000031343191 is a deficient number, since it is larger than the sum of its proper divisors (1).

10000031343191 is an equidigital number, since it uses as much as digits as its factorization.

10000031343191 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 26.

Adding to 10000031343191 its reverse (19134313000001), we get a palindrome (29134344343192).

The spelling of 10000031343191 in words is "ten trillion, thirty-one million, three hundred forty-three thousand, one hundred ninety-one".