7131891703 has 2 divisors, whose sum is σ = 7131891704. Its totient is φ = 7131891702.

The previous prime is 7131891631. The next prime is 7131891707. The reversal of 7131891703 is 3071981317.

It is a strong prime.

It is an emirp because it is prime and its reverse (3071981317) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 7131891703 - 2²⁹ = 6595020791 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7131891707) 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, 3565945851 + 3565945852.

It is an arithmetic number, because the mean of its divisors is an integer number (3565945852).

Almost surely, 2^7131891703 is an apocalyptic number.

7131891703 is a deficient number, since it is larger than the sum of its proper divisors (1).

7131891703 is an equidigital number, since it uses as much as digits as its factorization.

7131891703 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 31752, while the sum is 40.

The square root of 7131891703 is about 84450.5281392603. The cubic root of 7131891703 is about 1924.8707803742.

The spelling of 7131891703 in words is "seven billion, one hundred thirty-one million, eight hundred ninety-one thousand, seven hundred three".