3215130213 has 4 divisors (see below), whose sum is σ = 4286840288. Its totient is φ = 2143420140.

The previous prime is 3215130209. The next prime is 3215130223. The reversal of 3215130213 is 3120315123.

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 not a de Polignac number, because 3215130213 - 2² = 3215130209 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3215130213.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3215130223) 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, 535855033 + ... + 535855038.

It is an arithmetic number, because the mean of its divisors is an integer number (1071710072).

Almost surely, 2^3215130213 is an apocalyptic number.

It is an amenable number.

3215130213 is a deficient number, since it is larger than the sum of its proper divisors (1071710075).

3215130213 is a wasteful number, since it uses less digits than its factorization.

3215130213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1071710074.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 3215130213 is about 56702.1182408559. The cubic root of 3215130213 is about 1475.9314561739.

Adding to 3215130213 its reverse (3120315123), we get a palindrome (6335445336).

The spelling of 3215130213 in words is "three billion, two hundred fifteen million, one hundred thirty thousand, two hundred thirteen".