3033131130221 has 4 divisors (see below), whose sum is σ = 3115107647292. Its totient is φ = 2951154613152.

The previous prime is 3033131130187. The next prime is 3033131130277. The reversal of 3033131130221 is 1220311313303.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2836007562025 + 197123568196 = 1684045^2 + 443986^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3033131130221 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3033131130721) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 40988258480 + ... + 40988258553.

It is an arithmetic number, because the mean of its divisors is an integer number (778776911823).

Almost surely, 2^{3033131130221} is an apocalyptic number.

It is an amenable number.

3033131130221 is a deficient number, since it is larger than the sum of its proper divisors (81976517071).

3033131130221 is an equidigital number, since it uses as much as digits as its factorization.

3033131130221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81976517070.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 3033131130221 its reverse (1220311313303), we get a palindrome (4253442443524).

The spelling of 3033131130221 in words is "three trillion, thirty-three billion, one hundred thirty-one million, one hundred thirty thousand, two hundred twenty-one".