30123333013 has 16 divisors (see below), whose sum is σ = 32193179136. Its totient is φ = 28120322560.

The previous prime is 30123332983. The next prime is 30123333041. The reversal of 30123333013 is 31033332103.

It is not a de Polignac number, because 30123333013 - 2²¹ = 30121235861 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30123333313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 342123 + ... + 421063.

It is an arithmetic number, because the mean of its divisors is an integer number (2012073696).

Almost surely, 2^30123333013 is an apocalyptic number.

It is an amenable number.

30123333013 is a deficient number, since it is larger than the sum of its proper divisors (2069846123).

30123333013 is a wasteful number, since it uses less digits than its factorization.

30123333013 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 79364.

The product of its (nonzero) digits is 1458, while the sum is 22.

Adding to 30123333013 its reverse (31033332103), we get a palindrome (61156665116).

The spelling of 30123333013 in words is "thirty billion, one hundred twenty-three million, three hundred thirty-three thousand, thirteen".