30240313 has 2 divisors, whose sum is σ = 30240314. Its totient is φ = 30240312.

The previous prime is 30240311. The next prime is 30240319. The reversal of 30240313 is 31304203.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 25280784 + 4959529 = 5028^2 + 2227^2 .

It is a cyclic number.

It is not a de Polignac number, because 30240313 - 2¹ = 30240311 is a prime.

Together with 30240311, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30240311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15120156 + 15120157.

It is an arithmetic number, because the mean of its divisors is an integer number (15120157).

Almost surely, 2^30240313 is an apocalyptic number.

It is an amenable number.

30240313 is a deficient number, since it is larger than the sum of its proper divisors (1).

30240313 is an equidigital number, since it uses as much as digits as its factorization.

30240313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 16.

The square root of 30240313 is about 5499.1192931232. The cubic root of 30240313 is about 311.5507210086.

Adding to 30240313 its reverse (31304203), we get a palindrome (61544516).

The spelling of 30240313 in words is "thirty million, two hundred forty thousand, three hundred thirteen".