30303031221311 has 16 divisors (see below), whose sum is σ = 32701042936800. Its totient is φ = 27986407488000.

The previous prime is 30303031221289. The next prime is 30303031221329. The reversal of 30303031221311 is 11312213030303.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30303031221311 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 (30303031224311) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 13936526 + ... + 15963483.

It is an arithmetic number, because the mean of its divisors is an integer number (2043815183550).

Almost surely, 2^{30303031221311} is an apocalyptic number.

30303031221311 is a deficient number, since it is larger than the sum of its proper divisors (2398011715489).

30303031221311 is a wasteful number, since it uses less digits than its factorization.

30303031221311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29901370.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 30303031221311 its reverse (11312213030303), we get a palindrome (41615244251614).

The spelling of 30303031221311 in words is "thirty trillion, three hundred three billion, thirty-one million, two hundred twenty-one thousand, three hundred eleven".