3213321340 has 24 divisors (see below), whose sum is σ = 6848693712. Its totient is φ = 1266144000.

The previous prime is 3213321323. The next prime is 3213321341. The reversal of 3213321340 is 431233123.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3213321341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1197661 + ... + 1200340.

It is an arithmetic number, because the mean of its divisors is an integer number (285362238).

Almost surely, 2^3213321340 is an apocalyptic number.

It is an amenable number.

3213321340 is an abundant number, since it is smaller than the sum of its proper divisors (3635372372).

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

3213321340 is a wasteful number, since it uses less digits than its factorization.

3213321340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2398077 (or 2398075 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 3213321340 is about 56686.1653315869. The cubic root of 3213321340 is about 1475.6546116686.

Adding to 3213321340 its reverse (431233123), we get a palindrome (3644554463).

The spelling of 3213321340 in words is "three billion, two hundred thirteen million, three hundred twenty-one thousand, three hundred forty".