30031203011 has 4 divisors (see below), whose sum is σ = 30060108000. Its totient is φ = 30002298024.

The previous prime is 30031202987. The next prime is 30031203023. The reversal of 30031203011 is 11030213003.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 30031203011 - 2³⁴ = 12851333827 is a prime.

It is a super-2 number, since 2×30031203011² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30031203071) 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, 14450936 + ... + 14453013.

It is an arithmetic number, because the mean of its divisors is an integer number (7515027000).

Almost surely, 2^30031203011 is an apocalyptic number.

30031203011 is a deficient number, since it is larger than the sum of its proper divisors (28904989).

30031203011 is a wasteful number, since it uses less digits than its factorization.

30031203011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28904988.

The product of its (nonzero) digits is 54, while the sum is 14.

Adding to 30031203011 its reverse (11030213003), we get a palindrome (41061416014).

The spelling of 30031203011 in words is "thirty billion, thirty-one million, two hundred three thousand, eleven".