3231440312 has 16 divisors (see below), whose sum is σ = 6059998800. Its totient is φ = 1615440640.

The previous prime is 3231440293. The next prime is 3231440347. The reversal of 3231440312 is 2130441323.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19112 + ... + 82632.

It is an arithmetic number, because the mean of its divisors is an integer number (378749925).

Almost surely, 2^3231440312 is an apocalyptic number.

It is an amenable number.

3231440312 is a deficient number, since it is larger than the sum of its proper divisors (2828558488).

3231440312 is a wasteful number, since it uses less digits than its factorization.

3231440312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69886 (or 69882 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 23.

The square root of 3231440312 is about 56845.7589623008. The cubic root of 3231440312 is about 1478.4230085947.

Adding to 3231440312 its reverse (2130441323), we get a palindrome (5361881635).

The spelling of 3231440312 in words is "three billion, two hundred thirty-one million, four hundred forty thousand, three hundred twelve".