30200312221 has 16 divisors (see below), whose sum is σ = 31205502720. Its totient is φ = 29209035520.

The previous prime is 30200312213. The next prime is 30200312287. The reversal of 30200312221 is 12221300203.

It is a cyclic number.

It is not a de Polignac number, because 30200312221 - 2³ = 30200312213 is a prime.

It is a super-3 number, since 3×30200312221³ (a number of 32 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 30200312195 and 30200312204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30200312921) 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, 2217585 + ... + 2231161.

It is an arithmetic number, because the mean of its divisors is an integer number (1950343920).

Almost surely, 2^30200312221 is an apocalyptic number.

It is an amenable number.

30200312221 is a deficient number, since it is larger than the sum of its proper divisors (1005190499).

30200312221 is a wasteful number, since it uses less digits than its factorization.

30200312221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14084.

The product of its (nonzero) digits is 144, while the sum is 16.

Adding to 30200312221 its reverse (12221300203), we get a palindrome (42421612424).

The spelling of 30200312221 in words is "thirty billion, two hundred million, three hundred twelve thousand, two hundred twenty-one".