3240220312 has 32 divisors (see below), whose sum is σ = 7245216000. Its totient is φ = 1328288544.

The previous prime is 3240220307. The next prime is 3240220327. The reversal of 3240220312 is 2130220423.

It is a self number, because there is not a number n which added to its sum of digits gives 3240220312.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1256562 + ... + 1259137.

It is an arithmetic number, because the mean of its divisors is an integer number (226413000).

Almost surely, 2^3240220312 is an apocalyptic number.

It is an amenable number.

3240220312 is an abundant number, since it is smaller than the sum of its proper divisors (4004995688).

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

3240220312 is a wasteful number, since it uses less digits than its factorization.

3240220312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2515735 (or 2515731 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 3240220312 is about 56922.9330937892. The cubic root of 3240220312 is about 1479.7607831044.

Adding to 3240220312 its reverse (2130220423), we get a palindrome (5370440735).

The spelling of 3240220312 in words is "three billion, two hundred forty million, two hundred twenty thousand, three hundred twelve".