3240221313 has 64 divisors (see below), whose sum is σ = 5246115840. Its totient is φ = 1740310272.

The previous prime is 3240221311. The next prime is 3240221323. The reversal of 3240221313 is 3131220423.

It is not a de Polignac number, because 3240221313 - 2¹ = 3240221311 is a prime.

It is a super-3 number, since 3×3240221313³ (a number of 30 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a self number, because there is not a number n which added to its sum of digits gives 3240221313.

It is not an unprimeable number, because it can be changed into a prime (3240221311) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 3030543 + ... + 3031611.

It is an arithmetic number, because the mean of its divisors is an integer number (81970560).

Almost surely, 2^3240221313 is an apocalyptic number.

It is an amenable number.

3240221313 is a deficient number, since it is larger than the sum of its proper divisors (2005894527).

3240221313 is a wasteful number, since it uses less digits than its factorization.

3240221313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1246.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3240221313 is about 56922.9418863783. The cubic root of 3240221313 is about 1479.7609354851.

Adding to 3240221313 its reverse (3131220423), we get a palindrome (6371441736).

The spelling of 3240221313 in words is "three billion, two hundred forty million, two hundred twenty-one thousand, three hundred thirteen".