3211421323 has 4 divisors (see below), whose sum is σ = 3503368728. Its totient is φ = 2919473920.

The previous prime is 3211421321. The next prime is 3211421393. The reversal of 3211421323 is 3231241123.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3231241123 = 11 ⋅293749193.

It is not a de Polignac number, because 3211421323 - 2¹ = 3211421321 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 3211421294 and 3211421303.

It is not an unprimeable number, because it can be changed into a prime (3211421321) 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 3 ways as a sum of consecutive naturals, for example, 145973686 + ... + 145973707.

It is an arithmetic number, because the mean of its divisors is an integer number (875842182).

Almost surely, 2^3211421323 is an apocalyptic number.

3211421323 is a deficient number, since it is larger than the sum of its proper divisors (291947405).

3211421323 is a wasteful number, since it uses less digits than its factorization.

3211421323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291947404.

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

The square root of 3211421323 is about 56669.4037642889. The cubic root of 3211421323 is about 1475.3637058476.

Adding to 3211421323 its reverse (3231241123), we get a palindrome (6442662446).

The spelling of 3211421323 in words is "three billion, two hundred eleven million, four hundred twenty-one thousand, three hundred twenty-three".