30313231230221 has 8 divisors (see below), whose sum is σ = 31636229163264. Its totient is φ = 28990652577040.

The previous prime is 30313231230199. The next prime is 30313231230241. The reversal of 30313231230221 is 12203213231303.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-30313231230221 is a prime.

It is a super-2 number, since 2×30313231230221² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (30313231230241) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104672210 + ... + 104961411.

It is an arithmetic number, because the mean of its divisors is an integer number (3954528645408).

Almost surely, 2^{30313231230221} is an apocalyptic number.

It is an amenable number.

30313231230221 is a deficient number, since it is larger than the sum of its proper divisors (1322997933043).

30313231230221 is a wasteful number, since it uses less digits than its factorization.

30313231230221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209639931.

The product of its (nonzero) digits is 3888, while the sum is 26.

Adding to 30313231230221 its reverse (12203213231303), we get a palindrome (42516444461524).

The spelling of 30313231230221 in words is "thirty trillion, three hundred thirteen billion, two hundred thirty-one million, two hundred thirty thousand, two hundred twenty-one".