3152345321 has 2 divisors, whose sum is σ = 3152345322. Its totient is φ = 3152345320.

The previous prime is 3152345263. The next prime is 3152345323. The reversal of 3152345321 is 1235432513.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2315053225 + 837292096 = 48115^2 + 28936^2 .

It is a cyclic number.

It is not a de Polignac number, because 3152345321 - 2²⁶ = 3085236457 is a prime.

It is a Sophie Germain prime.

Together with 3152345323, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3152345323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1576172660 + 1576172661.

It is an arithmetic number, because the mean of its divisors is an integer number (1576172661).

Almost surely, 2^3152345321 is an apocalyptic number.

It is an amenable number.

3152345321 is a deficient number, since it is larger than the sum of its proper divisors (1).

3152345321 is an equidigital number, since it uses as much as digits as its factorization.

3152345321 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10800, while the sum is 29.

The square root of 3152345321 is about 56145.7506940641. The cubic root of 3152345321 is about 1466.2609280963.

Adding to 3152345321 its reverse (1235432513), we get a palindrome (4387777834).

The spelling of 3152345321 in words is "three billion, one hundred fifty-two million, three hundred forty-five thousand, three hundred twenty-one".