30243013 has 2 divisors, whose sum is σ = 30243014. Its totient is φ = 30243012.

The previous prime is 30242941. The next prime is 30243029. The reversal of 30243013 is 31034203.

It is an a-pointer prime, because the next prime (30243029) can be obtained adding 30243013 to its sum of digits (16).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 23493409 + 6749604 = 4847^2 + 2598^2 .

It is a cyclic number.

It is not a de Polignac number, because 30243013 - 2⁹ = 30242501 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30243313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15121506 + 15121507.

It is an arithmetic number, because the mean of its divisors is an integer number (15121507).

Almost surely, 2^30243013 is an apocalyptic number.

It is an amenable number.

30243013 is a deficient number, since it is larger than the sum of its proper divisors (1).

30243013 is an equidigital number, since it uses as much as digits as its factorization.

30243013 is an evil number, because the sum of its binary digits is even.

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

The square root of 30243013 is about 5499.3647814998. The cubic root of 30243013 is about 311.5599929796.

Adding to 30243013 its reverse (31034203), we get a palindrome (61277216).

The spelling of 30243013 in words is "thirty million, two hundred forty-three thousand, thirteen".