30400242013 has 2 divisors, whose sum is σ = 30400242014. Its totient is φ = 30400242012.

The previous prime is 30400241987. The next prime is 30400242053. The reversal of 30400242013 is 31024200403.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 29763840484 + 636401529 = 172522^2 + 25227^2 .

It is a cyclic number.

It is not a de Polignac number, because 30400242013 - 2²⁹ = 29863371101 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30400242053) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15200121006 + 15200121007.

It is an arithmetic number, because the mean of its divisors is an integer number (15200121007).

Almost surely, 2^30400242013 is an apocalyptic number.

It is an amenable number.

30400242013 is a deficient number, since it is larger than the sum of its proper divisors (1).

30400242013 is an equidigital number, since it uses as much as digits as its factorization.

30400242013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 30400242013 its reverse (31024200403), we get a palindrome (61424442416).

The spelling of 30400242013 in words is "thirty billion, four hundred million, two hundred forty-two thousand, thirteen".