3531042325221 has 4 divisors (see below), whose sum is σ = 4708056433632. Its totient is φ = 2354028216812.

The previous prime is 3531042325193. The next prime is 3531042325231. The reversal of 3531042325221 is 1225232401353.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3531042325221 - 2⁹ = 3531042324709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3531042325231) 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 3 ways as a sum of consecutive naturals, for example, 588507054201 + ... + 588507054206.

It is an arithmetic number, because the mean of its divisors is an integer number (1177014108408).

Almost surely, 2^{3531042325221} is an apocalyptic number.

It is an amenable number.

3531042325221 is a deficient number, since it is larger than the sum of its proper divisors (1177014108411).

3531042325221 is a wasteful number, since it uses less digits than its factorization.

3531042325221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1177014108410.

The product of its (nonzero) digits is 43200, while the sum is 33.

Adding to 3531042325221 its reverse (1225232401353), we get a palindrome (4756274726574).

The spelling of 3531042325221 in words is "three trillion, five hundred thirty-one billion, forty-two million, three hundred twenty-five thousand, two hundred twenty-one".