3213312344 has 64 divisors (see below), whose sum is σ = 6652661760. Its totient is φ = 1442931840.

The previous prime is 3213312329. The next prime is 3213312353. The reversal of 3213312344 is 4432133123.

3213312344 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3542339 + ... + 3543245.

It is an arithmetic number, because the mean of its divisors is an integer number (103947840).

Almost surely, 2^3213312344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3213312344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3326330880).

3213312344 is an abundant number, since it is smaller than the sum of its proper divisors (3439349416).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3213312344 is a wasteful number, since it uses less digits than its factorization.

3213312344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1368 (or 1364 counting only the distinct ones).

The product of its digits is 5184, while the sum is 26.

The square root of 3213312344 is about 56686.0859823643. The cubic root of 3213312344 is about 1475.6532345886.

Adding to 3213312344 its reverse (4432133123), we get a palindrome (7645445467).

The spelling of 3213312344 in words is "three billion, two hundred thirteen million, three hundred twelve thousand, three hundred forty-four".