3240320312 has 8 divisors (see below), whose sum is σ = 6075600600. Its totient is φ = 1620160152.

The previous prime is 3240320311. The next prime is 3240320357. The reversal of 3240320312 is 2130230423.

It is a tau number, because it is divible by the number of its divisors (8).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3240320311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 202520012 + ... + 202520027.

It is an arithmetic number, because the mean of its divisors is an integer number (759450075).

Almost surely, 2^3240320312 is an apocalyptic number.

It is an amenable number.

3240320312 is a deficient number, since it is larger than the sum of its proper divisors (2835280288).

3240320312 is a wasteful number, since it uses less digits than its factorization.

3240320312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 405040045 (or 405040041 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 3240320312 is about 56923.8114676099. The cubic root of 3240320312 is about 1479.7760057891.

Adding to 3240320312 its reverse (2130230423), we get a palindrome (5370550735).

The spelling of 3240320312 in words is "three billion, two hundred forty million, three hundred twenty thousand, three hundred twelve".