3040203032221 has 4 divisors (see below), whose sum is σ = 3070304052444. Its totient is φ = 3010102012000.

The previous prime is 3040203032189. The next prime is 3040203032281. The reversal of 3040203032221 is 1222303020403.

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 2053448876196 + 986754156025 = 1432986^2 + 993355^2 .

It is a cyclic number.

It is not a de Polignac number, because 3040203032221 - 2⁵ = 3040203032189 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3040203032192 and 3040203032201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3040203032281) 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, 15050509960 + ... + 15050510161.

It is an arithmetic number, because the mean of its divisors is an integer number (767576013111).

Almost surely, 2^{3040203032221} is an apocalyptic number.

It is an amenable number.

3040203032221 is a deficient number, since it is larger than the sum of its proper divisors (30101020223).

3040203032221 is a wasteful number, since it uses less digits than its factorization.

3040203032221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30101020222.

The product of its (nonzero) digits is 1728, while the sum is 22.

Adding to 3040203032221 its reverse (1222303020403), we get a palindrome (4262506052624).

The spelling of 3040203032221 in words is "three trillion, forty billion, two hundred three million, thirty-two thousand, two hundred twenty-one".