1230030013 has 4 divisors (see below), whose sum is σ = 1234816380. Its totient is φ = 1225243648.

The previous prime is 1230030001. The next prime is 1230030073. The reversal of 1230030013 is 3100300321.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3100300321 = 41 ⋅75617081.

It can be written as a sum of positive squares in 2 ways, for example, as 882505849 + 347524164 = 29707^2 + 18642^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230030013 - 2⁵ = 1230029981 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230029975 and 1230030002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1230030073) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2392798 + ... + 2393311.

It is an arithmetic number, because the mean of its divisors is an integer number (308704095).

Almost surely, 2^1230030013 is an apocalyptic number.

It is an amenable number.

1230030013 is a deficient number, since it is larger than the sum of its proper divisors (4786367).

1230030013 is an equidigital number, since it uses as much as digits as its factorization.

1230030013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4786366.

The product of its (nonzero) digits is 54, while the sum is 13.

The square root of 1230030013 is about 35071.7837156880. The cubic root of 1230030013 is about 1071.4499842992.

Adding to 1230030013 its reverse (3100300321), we get a palindrome (4330330334).

The spelling of 1230030013 in words is "one billion, two hundred thirty million, thirty thousand, thirteen".