3231721242 has 48 divisors (see below), whose sum is σ = 7107317568. Its totient is φ = 1061087040.

The previous prime is 3231721223. The next prime is 3231721253. The reversal of 3231721242 is 2421271323.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1606017 + ... + 1608027.

It is an arithmetic number, because the mean of its divisors is an integer number (148069116).

Almost surely, 2^3231721242 is an apocalyptic number.

3231721242 is an abundant number, since it is smaller than the sum of its proper divisors (3875596326).

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

3231721242 is a wasteful number, since it uses less digits than its factorization.

3231721242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3315 (or 3312 counting only the distinct ones).

The product of its digits is 4032, while the sum is 27.

The square root of 3231721242 is about 56848.2298932869. The cubic root of 3231721242 is about 1478.4658503103.

Adding to 3231721242 its reverse (2421271323), we get a palindrome (5652992565).

The spelling of 3231721242 in words is "three billion, two hundred thirty-one million, seven hundred twenty-one thousand, two hundred forty-two".