30121330311 has 24 divisors (see below), whose sum is σ = 46256891616. Its totient is φ = 18845386560.

The previous prime is 30121330297. The next prime is 30121330321. The reversal of 30121330311 is 11303312103.

It is a happy number.

30121330311 is a `hidden beast` number, since 3 + 0 + 1 + 21 + 330 + 311 = 666.

It is not a de Polignac number, because 30121330311 - 2⁶ = 30121330247 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30121330321) 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 23 ways as a sum of consecutive naturals, for example, 1361800 + ... + 1383741.

It is an arithmetic number, because the mean of its divisors is an integer number (1927370484).

Almost surely, 2^30121330311 is an apocalyptic number.

30121330311 is a deficient number, since it is larger than the sum of its proper divisors (16135561305).

30121330311 is a wasteful number, since it uses less digits than its factorization.

30121330311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2745623 (or 2745620 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

Adding to 30121330311 its reverse (11303312103), we get a palindrome (41424642414).

The spelling of 30121330311 in words is "thirty billion, one hundred twenty-one million, three hundred thirty thousand, three hundred eleven".