306132913 has 2 divisors, whose sum is σ = 306132914. Its totient is φ = 306132912.

The previous prime is 306132863. The next prime is 306132941. The reversal of 306132913 is 319231603.

It is an a-pointer prime, because the next prime (306132941) can be obtained adding 306132913 to its sum of digits (28).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 237375649 + 68757264 = 15407^2 + 8292^2 .

It is a cyclic number.

It is not a de Polignac number, because 306132913 - 2²¹ = 304035761 is a prime.

It is not a weakly prime, because it can be changed into another prime (306133913) 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, 153066456 + 153066457.

It is an arithmetic number, because the mean of its divisors is an integer number (153066457).

Almost surely, 2^306132913 is an apocalyptic number.

It is an amenable number.

306132913 is a deficient number, since it is larger than the sum of its proper divisors (1).

306132913 is an equidigital number, since it uses as much as digits as its factorization.

306132913 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2916, while the sum is 28.

The square root of 306132913 is about 17496.6543373298. The cubic root of 306132913 is about 673.9639619776.

The spelling of 306132913 in words is "three hundred six million, one hundred thirty-two thousand, nine hundred thirteen".