3143522213 has 4 divisors (see below), whose sum is σ = 3385331628. Its totient is φ = 2901712800.

The previous prime is 3143522201. The next prime is 3143522219. The reversal of 3143522213 is 3122253413.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 526381249 + 2617140964 = 22943^2 + 51158^2 .

It is a cyclic number.

It is not a de Polignac number, because 3143522213 - 2⁸ = 3143521957 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 (3143522219) 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, 120904688 + ... + 120904713.

It is an arithmetic number, because the mean of its divisors is an integer number (846332907).

Almost surely, 2^3143522213 is an apocalyptic number.

It is an amenable number.

3143522213 is a deficient number, since it is larger than the sum of its proper divisors (241809415).

3143522213 is a wasteful number, since it uses less digits than its factorization.

3143522213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 241809414.

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

The square root of 3143522213 is about 56067.1223891507. The cubic root of 3143522213 is about 1464.8916759162.

Adding to 3143522213 its reverse (3122253413), we get a palindrome (6265775626).

The spelling of 3143522213 in words is "three billion, one hundred forty-three million, five hundred twenty-two thousand, two hundred thirteen".