3431052221 has 8 divisors (see below), whose sum is σ = 3449028000. Its totient is φ = 3413093040.

The previous prime is 3431052181. The next prime is 3431052223. The reversal of 3431052221 is 1222501343.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3431052221 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3431052223) 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 7 ways as a sum of consecutive naturals, for example, 786755 + ... + 791103.

It is an arithmetic number, because the mean of its divisors is an integer number (431128500).

Almost surely, 2^3431052221 is an apocalyptic number.

It is an amenable number.

3431052221 is a deficient number, since it is larger than the sum of its proper divisors (17975779).

3431052221 is a wasteful number, since it uses less digits than its factorization.

3431052221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8299.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 3431052221 is about 58575.1843445669. The cubic root of 3431052221 is about 1508.2584809579.

Adding to 3431052221 its reverse (1222501343), we get a palindrome (4653553564).

The spelling of 3431052221 in words is "three billion, four hundred thirty-one million, fifty-two thousand, two hundred twenty-one".