3431002321 has 4 divisors (see below), whose sum is σ = 3434786032. Its totient is φ = 3427218612.

The previous prime is 3431002313. The next prime is 3431002327. The reversal of 3431002321 is 1232001343.

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, and also an emirpimes, since its reverse is a distinct semiprime: 1232001343 = 15227 ⋅80909.

It is a cyclic number.

It is not a de Polignac number, because 3431002321 - 2³ = 3431002313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3431002327) 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 3 ways as a sum of consecutive naturals, for example, 1890495 + ... + 1892308.

It is an arithmetic number, because the mean of its divisors is an integer number (858696508).

Almost surely, 2^3431002321 is an apocalyptic number.

It is an amenable number.

3431002321 is a deficient number, since it is larger than the sum of its proper divisors (3783711).

3431002321 is an equidigital number, since it uses as much as digits as its factorization.

3431002321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3783710.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3431002321 is about 58574.7583947215. The cubic root of 3431002321 is about 1508.2511690647.

Adding to 3431002321 its reverse (1232001343), we get a palindrome (4663003664).

The spelling of 3431002321 in words is "three billion, four hundred thirty-one million, two thousand, three hundred twenty-one".