3221132513 has 4 divisors (see below), whose sum is σ = 3221268480. Its totient is φ = 3220996548.

The previous prime is 3221132489. The next prime is 3221132533. The reversal of 3221132513 is 3152311223.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 3221132513 - 2¹⁶ = 3221066977 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3221132533) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22145 + ... + 83262.

It is an arithmetic number, because the mean of its divisors is an integer number (805317120).

Almost surely, 2^3221132513 is an apocalyptic number.

It is an amenable number.

3221132513 is a deficient number, since it is larger than the sum of its proper divisors (135967).

3221132513 is a wasteful number, since it uses less digits than its factorization.

3221132513 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 135966.

The product of its digits is 1080, while the sum is 23.

The square root of 3221132513 is about 56755.0219187694. The cubic root of 3221132513 is about 1476.8493532815.

Adding to 3221132513 its reverse (3152311223), we get a palindrome (6373443736).

The spelling of 3221132513 in words is "three billion, two hundred twenty-one million, one hundred thirty-two thousand, five hundred thirteen".