6951320131387 has 2 divisors, whose sum is σ = 6951320131388. Its totient is φ = 6951320131386.

The previous prime is 6951320131381. The next prime is 6951320131433. The reversal of 6951320131387 is 7831310231596.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6951320131387 - 2¹¹ = 6951320129339 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6951320131387.

It is not a weakly prime, because it can be changed into another prime (6951320131381) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3475660065693 + 3475660065694.

It is an arithmetic number, because the mean of its divisors is an integer number (3475660065694).

Almost surely, 2^{6951320131387} is an apocalyptic number.

6951320131387 is a deficient number, since it is larger than the sum of its proper divisors (1).

6951320131387 is an equidigital number, since it uses as much as digits as its factorization.

6951320131387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 816480, while the sum is 49.

The spelling of 6951320131387 in words is "six trillion, nine hundred fifty-one billion, three hundred twenty million, one hundred thirty-one thousand, three hundred eighty-seven".