3220325531 has 4 divisors (see below), whose sum is σ = 3221193312. Its totient is φ = 3219457752.

The previous prime is 3220325501. The next prime is 3220325533. The reversal of 3220325531 is 1355230223.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3220325531 - 2³⁰ = 2146583707 is a prime.

It is a super-2 number, since 2×3220325531² = 20740993051220863922, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3220325531.

It is not an unprimeable number, because it can be changed into a prime (3220325533) 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, 428300 + ... + 435753.

It is an arithmetic number, because the mean of its divisors is an integer number (805298328).

Almost surely, 2^3220325531 is an apocalyptic number.

3220325531 is a deficient number, since it is larger than the sum of its proper divisors (867781).

3220325531 is an equidigital number, since it uses as much as digits as its factorization.

3220325531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 867780.

The product of its (nonzero) digits is 5400, while the sum is 26.

The square root of 3220325531 is about 56747.9121289938. The cubic root of 3220325531 is about 1476.7260125642.

Adding to 3220325531 its reverse (1355230223), we get a palindrome (4575555754).

The spelling of 3220325531 in words is "three billion, two hundred twenty million, three hundred twenty-five thousand, five hundred thirty-one".