3213113213 has 4 divisors (see below), whose sum is σ = 3232825728. Its totient is φ = 3193400700.

The previous prime is 3213113191. The next prime is 3213113221. The reversal of 3213113213 is 3123113123.

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 3213113213 - 2⁸ = 3213112957 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 (3213113413) 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, 9856013 + ... + 9856338.

It is an arithmetic number, because the mean of its divisors is an integer number (808206432).

Almost surely, 2^3213113213 is an apocalyptic number.

It is an amenable number.

3213113213 is a deficient number, since it is larger than the sum of its proper divisors (19712515).

3213113213 is a wasteful number, since it uses less digits than its factorization.

3213113213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19712514.

The product of its digits is 324, while the sum is 20.

The square root of 3213113213 is about 56684.3295188362. The cubic root of 3213113213 is about 1475.6227515706.

Adding to 3213113213 its reverse (3123113123), we get a palindrome (6336226336).

The spelling of 3213113213 in words is "three billion, two hundred thirteen million, one hundred thirteen thousand, two hundred thirteen".