3212331421 has 16 divisors (see below), whose sum is σ = 3582880560. Its totient is φ = 2859655680.

The previous prime is 3212331413. The next prime is 3212331433. The reversal of 3212331421 is 1241332123.

It can be written as a sum of positive squares in 8 ways, for example, as 66243321 + 3146088100 = 8139^2 + 56090^2 .

It is a cyclic number.

It is not a de Polignac number, because 3212331421 - 2³ = 3212331413 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3212331392 and 3212331401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3212331491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 354811 + ... + 363751.

It is an arithmetic number, because the mean of its divisors is an integer number (223930035).

Almost surely, 2^3212331421 is an apocalyptic number.

It is an amenable number.

3212331421 is a deficient number, since it is larger than the sum of its proper divisors (370549139).

3212331421 is a wasteful number, since it uses less digits than its factorization.

3212331421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9936.

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

The square root of 3212331421 is about 56677.4330840768. The cubic root of 3212331421 is about 1475.5030624962.

Adding to 3212331421 its reverse (1241332123), we get a palindrome (4453663544).

The spelling of 3212331421 in words is "three billion, two hundred twelve million, three hundred thirty-one thousand, four hundred twenty-one".