30230021013 has 4 divisors (see below), whose sum is σ = 40306694688. Its totient is φ = 20153347340.

The previous prime is 30230021011. The next prime is 30230021023. The reversal of 30230021013 is 31012003203.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 31012003203 = 3 ⋅10337334401.

It is a cyclic number.

It is not a de Polignac number, because 30230021013 - 2¹ = 30230021011 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 30230020983 and 30230021001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30230021011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5038336833 + ... + 5038336838.

It is an arithmetic number, because the mean of its divisors is an integer number (10076673672).

Almost surely, 2^30230021013 is an apocalyptic number.

It is an amenable number.

30230021013 is a deficient number, since it is larger than the sum of its proper divisors (10076673675).

30230021013 is a wasteful number, since it uses less digits than its factorization.

30230021013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10076673674.

The product of its (nonzero) digits is 108, while the sum is 15.

Adding to 30230021013 its reverse (31012003203), we get a palindrome (61242024216).

The spelling of 30230021013 in words is "thirty billion, two hundred thirty million, twenty-one thousand, thirteen".