30012021311 has 4 divisors (see below), whose sum is σ = 31591601400. Its totient is φ = 28432441224.

The previous prime is 30012021287. The next prime is 30012021343. The reversal of 30012021311 is 11312021003.

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 30012021311 - 2²⁶ = 29944912447 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 (30012021511) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 789790016 + ... + 789790053.

It is an arithmetic number, because the mean of its divisors is an integer number (7897900350).

Almost surely, 2^30012021311 is an apocalyptic number.

30012021311 is a deficient number, since it is larger than the sum of its proper divisors (1579580089).

30012021311 is a wasteful number, since it uses less digits than its factorization.

30012021311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1579580088.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 30012021311 its reverse (11312021003), we get a palindrome (41324042314).

The spelling of 30012021311 in words is "thirty billion, twelve million, twenty-one thousand, three hundred eleven".