30321713 has 2 divisors, whose sum is σ = 30321714. Its totient is φ = 30321712.

The previous prime is 30321667. The next prime is 30321737. The reversal of 30321713 is 31712303.

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., 23203489 + 7118224 = 4817^2 + 2668^2 .

It is a cyclic number.

It is not a de Polignac number, because 30321713 - 2²⁰ = 29273137 is a prime.

It is not a weakly prime, because it can be changed into another prime (30321743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15160856 + 15160857.

It is an arithmetic number, because the mean of its divisors is an integer number (15160857).

Almost surely, 2^30321713 is an apocalyptic number.

It is an amenable number.

30321713 is a deficient number, since it is larger than the sum of its proper divisors (1).

30321713 is an equidigital number, since it uses as much as digits as its factorization.

30321713 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 378, while the sum is 20.

The square root of 30321713 is about 5506.5155043821. The cubic root of 30321713 is about 311.8300116364.

The spelling of 30321713 in words is "thirty million, three hundred twenty-one thousand, seven hundred thirteen".