30123013013 has 2 divisors, whose sum is σ = 30123013014. Its totient is φ = 30123013012.

The previous prime is 30123012989. The next prime is 30123013049. The reversal of 30123013013 is 31031032103.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 15497013169 + 14625999844 = 124487^2 + 120938^2 .

It is a cyclic number.

It is not a de Polignac number, because 30123013013 - 2⁸ = 30123012757 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30123012982 and 30123013000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30123013513) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15061506506 + 15061506507.

It is an arithmetic number, because the mean of its divisors is an integer number (15061506507).

Almost surely, 2^30123013013 is an apocalyptic number.

It is an amenable number.

30123013013 is a deficient number, since it is larger than the sum of its proper divisors (1).

30123013013 is an equidigital number, since it uses as much as digits as its factorization.

30123013013 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 30123013013 its reverse (31031032103), we get a palindrome (61154045116).

The spelling of 30123013013 in words is "thirty billion, one hundred twenty-three million, thirteen thousand, thirteen".