7320310213 has 2 divisors, whose sum is σ = 7320310214. Its totient is φ = 7320310212.

The previous prime is 7320310201. The next prime is 7320310223. The reversal of 7320310213 is 3120130237.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7316749444 + 3560769 = 85538^2 + 1887^2 .

It is a cyclic number.

It is not a de Polignac number, because 7320310213 - 2¹³ = 7320302021 is a prime.

It is a super-2 number, since 2×7320310213² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7320310223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3660155106 + 3660155107.

It is an arithmetic number, because the mean of its divisors is an integer number (3660155107).

Almost surely, 2^7320310213 is an apocalyptic number.

It is an amenable number.

7320310213 is a deficient number, since it is larger than the sum of its proper divisors (1).

7320310213 is an equidigital number, since it uses as much as digits as its factorization.

7320310213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 22.

The square root of 7320310213 is about 85558.8114281633. The cubic root of 7320310213 is about 1941.6748045643.

The spelling of 7320310213 in words is "seven billion, three hundred twenty million, three hundred ten thousand, two hundred thirteen".