3033030131221 has 12 divisors (see below), whose sum is σ = 3109224627468. Its totient is φ = 2958660688704.

The previous prime is 3033030131203. The next prime is 3033030131239. The reversal of 3033030131221 is 1221310303303.

It is an interprime number because it is at equal distance from previous prime (3033030131203) and next prime (3033030131239).

It can be written as a sum of positive squares in 2 ways, for example, as 1083027350596 + 1950002780625 = 1040686^2 + 1396425^2 .

It is a de Polignac number, because none of the positive numbers 2^k-3033030131221 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3033030131192 and 3033030131201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3033030161221) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 368241 + ... + 2490313.

It is an arithmetic number, because the mean of its divisors is an integer number (259102052289).

Almost surely, 2^{3033030131221} is an apocalyptic number.

It is an amenable number.

3033030131221 is a deficient number, since it is larger than the sum of its proper divisors (76194496247).

3033030131221 is an equidigital number, since it uses as much as digits as its factorization.

3033030131221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2122932 (or 2122889 counting only the distinct ones).

The product of its (nonzero) digits is 972, while the sum is 22.

Adding to 3033030131221 its reverse (1221310303303), we get a palindrome (4254340434524).

The spelling of 3033030131221 in words is "three trillion, thirty-three billion, thirty million, one hundred thirty-one thousand, two hundred twenty-one".