7313831449 has 2 divisors, whose sum is σ = 7313831450. Its totient is φ = 7313831448.

The previous prime is 7313831423. The next prime is 7313831467. The reversal of 7313831449 is 9441383137.

7313831449 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4444622224 + 2869209225 = 66668^2 + 53565^2 .

It is a cyclic number.

It is not a de Polignac number, because 7313831449 - 2¹⁹ = 7313307161 is a prime.

It is not a weakly prime, because it can be changed into another prime (7313831489) 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, 3656915724 + 3656915725.

It is an arithmetic number, because the mean of its divisors is an integer number (3656915725).

Almost surely, 2^7313831449 is an apocalyptic number.

It is an amenable number.

7313831449 is a deficient number, since it is larger than the sum of its proper divisors (1).

7313831449 is an equidigital number, since it uses as much as digits as its factorization.

7313831449 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 217728, while the sum is 43.

The square root of 7313831449 is about 85520.9415815799. The cubic root of 7313831449 is about 1941.1018158318.

The spelling of 7313831449 in words is "seven billion, three hundred thirteen million, eight hundred thirty-one thousand, four hundred forty-nine".