3321221031 has 48 divisors (see below), whose sum is σ = 5277400128. Its totient is φ = 2004172800.

The previous prime is 3321221011. The next prime is 3321221041. The reversal of 3321221031 is 1301221233.

It is not a de Polignac number, because 3321221031 - 2¹⁴ = 3321204647 is a prime.

It is a super-2 number, since 2×3321221031² = 22061018273513405922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 3321220995 and 3321221013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3321221011) 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, 441655 + ... + 449111.

It is an arithmetic number, because the mean of its divisors is an integer number (109945836).

Almost surely, 2^3321221031 is an apocalyptic number.

3321221031 is a deficient number, since it is larger than the sum of its proper divisors (1956179097).

3321221031 is a wasteful number, since it uses less digits than its factorization.

3321221031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7592 (or 7589 counting only the distinct ones).

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

The square root of 3321221031 is about 57630.0358406968. The cubic root of 3321221031 is about 1491.9900485875.

Adding to 3321221031 its reverse (1301221233), we get a palindrome (4622442264).

The spelling of 3321221031 in words is "three billion, three hundred twenty-one million, two hundred twenty-one thousand, thirty-one".