3243011331 has 16 divisors (see below), whose sum is σ = 4947957504. Its totient is φ = 1850814624.

The previous prime is 3243011269. The next prime is 3243011389. The reversal of 3243011331 is 1331103423.

It is not a de Polignac number, because 3243011331 - 2¹³ = 3243003139 is a prime.

It is a super-3 number, since 3×3243011331³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

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

It is a junction number, because it is equal to n+sod(n) for n = 3243011298 and 3243011307.

It is not an unprimeable number, because it can be changed into a prime (3243011731) 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 15 ways as a sum of consecutive naturals, for example, 80145 + ... + 113618.

It is an arithmetic number, because the mean of its divisors is an integer number (309247344).

Almost surely, 2^3243011331 is an apocalyptic number.

3243011331 is a deficient number, since it is larger than the sum of its proper divisors (1704946173).

3243011331 is a wasteful number, since it uses less digits than its factorization.

3243011331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194570.

The product of its (nonzero) digits is 648, while the sum is 21.

The square root of 3243011331 is about 56947.4435861699. The cubic root of 3243011331 is about 1480.1855335642.

Adding to 3243011331 its reverse (1331103423), we get a palindrome (4574114754).

The spelling of 3243011331 in words is "three billion, two hundred forty-three million, eleven thousand, three hundred thirty-one".