6431320001 has 2 divisors, whose sum is σ = 6431320002. Its totient is φ = 6431320000.

The previous prime is 6431319991. The next prime is 6431320067. The reversal of 6431320001 is 1000231346.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3951379600 + 2479940401 = 62860^2 + 49799^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6431320001 is a prime.

It is not a weakly prime, because it can be changed into another prime (6431320601) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3215660000 + 3215660001.

It is an arithmetic number, because the mean of its divisors is an integer number (3215660001).

Almost surely, 2^6431320001 is an apocalyptic number.

It is an amenable number.

6431320001 is a deficient number, since it is larger than the sum of its proper divisors (1).

6431320001 is an equidigital number, since it uses as much as digits as its factorization.

6431320001 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 6431320001 is about 80195.5111025549. The cubic root of 6431320001 is about 1859.6592431800.

Adding to 6431320001 its reverse (1000231346), we get a palindrome (7431551347).

The spelling of 6431320001 in words is "six billion, four hundred thirty-one million, three hundred twenty thousand, one".