3321431210421 has 48 divisors (see below), whose sum is σ = 5075481954816. Its totient is φ = 2088716813568.

The previous prime is 3321431210413. The next prime is 3321431210453. The reversal of 3321431210421 is 1240121341233.

3321431210421 is a `hidden beast` number, since 3 + 3 + 21 + 4 + 3 + 1 + 210 + 421 = 666.

3321431210421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 3321431210421 - 2³ = 3321431210413 is a prime.

It is a super-2 number, since 2×3321431210421² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321431210021) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 201376051 + ... + 201392543.

It is an arithmetic number, because the mean of its divisors is an integer number (105739207392).

Almost surely, 2^{3321431210421} is an apocalyptic number.

It is an amenable number.

3321431210421 is a deficient number, since it is larger than the sum of its proper divisors (1754050744395).

3321431210421 is a wasteful number, since it uses less digits than its factorization.

3321431210421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29922 (or 29919 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

Adding to 3321431210421 its reverse (1240121341233), we get a palindrome (4561552551654).

It can be divided in two parts, 332143 and 1210421, that added together give a square (1542564 = 1242²).

The spelling of 3321431210421 in words is "three trillion, three hundred twenty-one billion, four hundred thirty-one million, two hundred ten thousand, four hundred twenty-one".