3431221343 has 8 divisors (see below), whose sum is σ = 3940158720. Its totient is φ = 2955118680.

The previous prime is 3431221337. The next prime is 3431221369.

3431221343 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is not a de Polignac number, because 3431221343 - 2⁴ = 3431221327 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 (3431221543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8208455 + ... + 8208872.

It is an arithmetic number, because the mean of its divisors is an integer number (492519840).

Almost surely, 2^3431221343 is an apocalyptic number.

3431221343 is a deficient number, since it is larger than the sum of its proper divisors (508937377).

3431221343 is a wasteful number, since it uses less digits than its factorization.

3431221343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16417357.

The product of its digits is 5184, while the sum is 26.

The square root of 3431221343 is about 58576.6279585980. The cubic root of 3431221343 is about 1508.2832620342.

It can be divided in two parts, 34312 and 21343, that added together give a palindrome (55655).

The spelling of 3431221343 in words is "three billion, four hundred thirty-one million, two hundred twenty-one thousand, three hundred forty-three".