30023003121913 has 2 divisors, whose sum is σ = 30023003121914. Its totient is φ = 30023003121912.

The previous prime is 30023003121911. The next prime is 30023003122039. The reversal of 30023003121913 is 31912130032003.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15025259795049 + 14997743326864 = 3876243^2 + 3872692^2 .

It is a cyclic number.

It is not a de Polignac number, because 30023003121913 - 2¹ = 30023003121911 is a prime.

Together with 30023003121911, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (30023003121911) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15011501560956 + 15011501560957.

It is an arithmetic number, because the mean of its divisors is an integer number (15011501560957).

Almost surely, 2^{30023003121913} is an apocalyptic number.

It is an amenable number.

30023003121913 is a deficient number, since it is larger than the sum of its proper divisors (1).

30023003121913 is an equidigital number, since it uses as much as digits as its factorization.

30023003121913 is an evil number, because the sum of its binary digits is even.

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

Adding to 30023003121913 its reverse (31912130032003), we get a palindrome (61935133153916).

The spelling of 30023003121913 in words is "thirty trillion, twenty-three billion, three million, one hundred twenty-one thousand, nine hundred thirteen".