30221313031311 has 16 divisors (see below), whose sum is σ = 41688409006560. Its totient is φ = 19451007515520.

The previous prime is 30221313031271. The next prime is 30221313031321. The reversal of 30221313031311 is 11313031312203.

It is not a de Polignac number, because 30221313031311 - 2¹⁰ = 30221313030287 is a prime.

It is a super-2 number, since 2×30221313031311² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30221313031321) 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, 15046780 + ... + 16936593.

It is an arithmetic number, because the mean of its divisors is an integer number (2605525562910).

Almost surely, 2^{30221313031311} is an apocalyptic number.

30221313031311 is a deficient number, since it is larger than the sum of its proper divisors (11467095975249).

30221313031311 is a wasteful number, since it uses less digits than its factorization.

30221313031311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31994266.

The product of its (nonzero) digits is 972, while the sum is 24.

Adding to 30221313031311 its reverse (11313031312203), we get a palindrome (41534344343514).

The spelling of 30221313031311 in words is "thirty trillion, two hundred twenty-one billion, three hundred thirteen million, thirty-one thousand, three hundred eleven".