7197000313 has 16 divisors (see below), whose sum is σ = 7453400976. Its totient is φ = 6944834560.

The previous prime is 7197000289. The next prime is 7197000341. The reversal of 7197000313 is 3130007917.

7197000313 = 59987² + 59988².

It can be written as a sum of positive squares in 8 ways, for example, as 40347904 + 7156652409 = 6352^2 + 84597^2 .

It is a cyclic number.

It is not a de Polignac number, because 7197000313 - 2⁹ = 7196999801 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (7197007313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1643595 + ... + 1647967.

It is an arithmetic number, because the mean of its divisors is an integer number (465837561).

Almost surely, 2^7197000313 is an apocalyptic number.

7197000313 is the 59988-th centered square number.

It is an amenable number.

7197000313 is a deficient number, since it is larger than the sum of its proper divisors (256400663).

7197000313 is a wasteful number, since it uses less digits than its factorization.

7197000313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4844.

The product of its (nonzero) digits is 3969, while the sum is 31.

The square root of 7197000313 is about 84835.1360758029. The cubic root of 7197000313 is about 1930.7105684472.

The spelling of 7197000313 in words is "seven billion, one hundred ninety-seven million, three hundred thirteen", and thus it is an aban number.