3431342321 has 24 divisors (see below), whose sum is σ = 3910184040. Its totient is φ = 3005291520.

The previous prime is 3431342273. The next prime is 3431342329. The reversal of 3431342321 is 1232431343.

It can be written as a sum of positive squares in 4 ways, for example, as 1193011600 + 2238330721 = 34540^2 + 47311^2 .

It is not a de Polignac number, because 3431342321 - 2²² = 3427148017 is a prime.

It is a super-2 number, since 2×3431342321² = 23548220247771334082, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3431342329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2360831 + ... + 2362283.

It is an arithmetic number, because the mean of its divisors is an integer number (162924335).

Almost surely, 2^3431342321 is an apocalyptic number.

It is an amenable number.

3431342321 is a deficient number, since it is larger than the sum of its proper divisors (478841719).

3431342321 is a wasteful number, since it uses less digits than its factorization.

3431342321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2177 (or 2166 counting only the distinct ones).

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

The square root of 3431342321 is about 58577.6605968521. The cubic root of 3431342321 is about 1508.3009881759.

Adding to 3431342321 its reverse (1232431343), we get a palindrome (4663773664).

The spelling of 3431342321 in words is "three billion, four hundred thirty-one million, three hundred forty-two thousand, three hundred twenty-one".