3223131021 has 40 divisors (see below), whose sum is σ = 5433674400. Its totient is φ = 1886038560.

The previous prime is 3223130969. The next prime is 3223131047. The reversal of 3223131021 is 1201313223.

3223131021 is a `hidden beast` number, since 322 + 31 + 310 + 2 + 1 = 666.

It is not a de Polignac number, because 3223131021 - 2¹⁰ = 3223129997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3223130985 and 3223131003.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3223131061) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 36531 + ... + 88208.

It is an arithmetic number, because the mean of its divisors is an integer number (135841860).

Almost surely, 2^3223131021 is an apocalyptic number.

It is an amenable number.

3223131021 is a deficient number, since it is larger than the sum of its proper divisors (2210543379).

3223131021 is a wasteful number, since it uses less digits than its factorization.

3223131021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 124791 (or 124782 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 3223131021 is about 56772.6256306682. The cubic root of 3223131021 is about 1477.1547205232.

Adding to 3223131021 its reverse (1201313223), we get a palindrome (4424444244).

The spelling of 3223131021 in words is "three billion, two hundred twenty-three million, one hundred thirty-one thousand, twenty-one".