3231133321 has 8 divisors (see below), whose sum is σ = 3487953224. Its totient is φ = 2975495040.

The previous prime is 3231133309. The next prime is 3231133333. The reversal of 3231133321 is 1233311323.

It is an interprime number because it is at equal distance from previous prime (3231133309) and next prime (3231133333).

It can be written as a sum of positive squares in 4 ways, for example, as 154878025 + 3076255296 = 12445^2 + 55464^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 3231133321 - 2¹⁹ = 3230609033 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3231133292 and 3231133301.

It is not an unprimeable number, because it can be changed into a prime (3231133351) 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, 289716 + ... + 300661.

It is an arithmetic number, because the mean of its divisors is an integer number (435994153).

Almost surely, 2^3231133321 is an apocalyptic number.

It is an amenable number.

3231133321 is a deficient number, since it is larger than the sum of its proper divisors (256819903).

3231133321 is a wasteful number, since it uses less digits than its factorization.

3231133321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 590811.

The product of its digits is 972, while the sum is 22.

The square root of 3231133321 is about 56843.0586879348. The cubic root of 3231133321 is about 1478.3761897474.

Adding to 3231133321 its reverse (1233311323), we get a palindrome (4464444644).

The spelling of 3231133321 in words is "three billion, two hundred thirty-one million, one hundred thirty-three thousand, three hundred twenty-one".