3231313233121 has 8 divisors (see below), whose sum is σ = 3312705793824. Its totient is φ = 3150043531680.

The previous prime is 3231313233073. The next prime is 3231313233139. The reversal of 3231313233121 is 1213323131323.

It is a happy number.

3231313233121 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3231313233121 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3231313233121.

It is not an unprimeable number, because it can be changed into a prime (3231313233191) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30661551 + ... + 30766756.

It is an arithmetic number, because the mean of its divisors is an integer number (414088224228).

Almost surely, 2^{3231313233121} is an apocalyptic number.

It is an amenable number.

3231313233121 is a deficient number, since it is larger than the sum of its proper divisors (81392560703).

3231313233121 is a wasteful number, since it uses less digits than its factorization.

3231313233121 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 61429631.

The product of its digits is 5832, while the sum is 28.

Adding to 3231313233121 its reverse (1213323131323), we get a palindrome (4444636364444).

The spelling of 3231313233121 in words is "three trillion, two hundred thirty-one billion, three hundred thirteen million, two hundred thirty-three thousand, one hundred twenty-one".