3231231421 has 8 divisors (see below), whose sum is σ = 3540789504. Its totient is φ = 2924308320.

The previous prime is 3231231407. The next prime is 3231231439. The reversal of 3231231421 is 1241321323.

3231231421 is digitally balanced in base 2, 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 not a de Polignac number, because 3231231421 - 2⁵ = 3231231389 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3231231392 and 3231231401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3231231121) 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, 656176 + ... + 661081.

It is an arithmetic number, because the mean of its divisors is an integer number (442598688).

Almost surely, 2^3231231421 is an apocalyptic number.

It is an amenable number.

3231231421 is a deficient number, since it is larger than the sum of its proper divisors (309558083).

3231231421 is a wasteful number, since it uses less digits than its factorization.

3231231421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1317491.

The product of its digits is 864, while the sum is 22.

The square root of 3231231421 is about 56843.9215835783. The cubic root of 3231231421 is about 1478.3911511889.

Adding to 3231231421 its reverse (1241321323), we get a palindrome (4472552744).

The spelling of 3231231421 in words is "three billion, two hundred thirty-one million, two hundred thirty-one thousand, four hundred twenty-one".