3213320433 has 16 divisors (see below), whose sum is σ = 4545507456. Its totient is φ = 2012176640.

The previous prime is 3213320431. The next prime is 3213320449. The reversal of 3213320433 is 3340233123.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 3213320433 - 2¹ = 3213320431 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3213320431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36978 + ... + 88283.

It is an arithmetic number, because the mean of its divisors is an integer number (284094216).

Almost surely, 2^3213320433 is an apocalyptic number.

It is an amenable number.

3213320433 is a deficient number, since it is larger than the sum of its proper divisors (1332187023).

3213320433 is a wasteful number, since it uses less digits than its factorization.

3213320433 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125784.

The product of its (nonzero) digits is 3888, while the sum is 24.

The square root of 3213320433 is about 56686.1573313979. The cubic root of 3213320433 is about 1475.6544728279.

Adding to 3213320433 its reverse (3340233123), we get a palindrome (6553553556).

The spelling of 3213320433 in words is "three billion, two hundred thirteen million, three hundred twenty thousand, four hundred thirty-three".