30331102220321 has 16 divisors (see below), whose sum is σ = 35389243200000. Its totient is φ = 25985081483424.

The previous prime is 30331102220267. The next prime is 30331102220371. The reversal of 30331102220321 is 12302220113303.

It is a de Polignac number, because none of the positive numbers 2^k-30331102220321 is a prime.

It is a super-2 number, since 2×30331102220321² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30331102220371) 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 15 ways as a sum of consecutive naturals, for example, 21432620 + ... + 22803933.

It is an arithmetic number, because the mean of its divisors is an integer number (2211827700000).

Almost surely, 2^{30331102220321} is an apocalyptic number.

It is an amenable number.

30331102220321 is a deficient number, since it is larger than the sum of its proper divisors (5058140979679).

30331102220321 is an equidigital number, since it uses as much as digits as its factorization.

30331102220321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44238573 (or 44238559 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 23.

Adding to 30331102220321 its reverse (12302220113303), we get a palindrome (42633322333624).

The spelling of 30331102220321 in words is "thirty trillion, three hundred thirty-one billion, one hundred two million, two hundred twenty thousand, three hundred twenty-one".