3145322213 has 4 divisors (see below), whose sum is σ = 3431260608. Its totient is φ = 2859383820.

The previous prime is 3145322123. The next prime is 3145322261. The reversal of 3145322213 is 3122235413.

It is a happy number.

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.

It is a cyclic number.

It is not a de Polignac number, because 3145322213 - 2¹⁰ = 3145321189 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 (3145322293) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 142969181 + ... + 142969202.

It is an arithmetic number, because the mean of its divisors is an integer number (857815152).

Almost surely, 2^3145322213 is an apocalyptic number.

It is an amenable number.

3145322213 is a deficient number, since it is larger than the sum of its proper divisors (285938395).

3145322213 is a wasteful number, since it uses less digits than its factorization.

3145322213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 285938394.

The product of its digits is 4320, while the sum is 26.

The square root of 3145322213 is about 56083.1722801056. The cubic root of 3145322213 is about 1465.1712245366.

Adding to 3145322213 its reverse (3122235413), we get a palindrome (6267557626).

The spelling of 3145322213 in words is "three billion, one hundred forty-five million, three hundred twenty-two thousand, two hundred thirteen".