307229413 has 2 divisors, whose sum is σ = 307229414. Its totient is φ = 307229412.

The previous prime is 307229387. The next prime is 307229431. The reversal of 307229413 is 314922703.

Together with next prime (307229431) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256064004 + 51165409 = 16002^2 + 7153^2 .

It is an emirp because it is prime and its reverse (314922703) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 307229413 - 2¹³ = 307221221 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (307229443) 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, 153614706 + 153614707.

It is an arithmetic number, because the mean of its divisors is an integer number (153614707).

Almost surely, 2^307229413 is an apocalyptic number.

It is an amenable number.

307229413 is a deficient number, since it is larger than the sum of its proper divisors (1).

307229413 is an equidigital number, since it uses as much as digits as its factorization.

307229413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 31.

The square root of 307229413 is about 17527.9608911020. The cubic root of 307229413 is about 674.7676661765.

The spelling of 307229413 in words is "three hundred seven million, two hundred twenty-nine thousand, four hundred thirteen".