3133323220 has 12 divisors (see below), whose sum is σ = 6579978804. Its totient is φ = 1253329280.

The previous prime is 3133323217. The next prime is 3133323229. The reversal of 3133323220 is 223233313.

It can be written as a sum of positive squares in 2 ways, for example, as 711502276 + 2421820944 = 26674^2 + 49212^2 .

It is a junction number, because it is equal to n+sod(n) for n = 3133323191 and 3133323200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3133323229) 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, 78333061 + ... + 78333100.

It is an arithmetic number, because the mean of its divisors is an integer number (548331567).

Almost surely, 2^3133323220 is an apocalyptic number.

It is an amenable number.

3133323220 is an abundant number, since it is smaller than the sum of its proper divisors (3446655584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3133323220 is a wasteful number, since it uses less digits than its factorization.

3133323220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 156666170 (or 156666168 counting only the distinct ones).

The product of its (nonzero) digits is 1944, while the sum is 22.

The square root of 3133323220 is about 55976.0950763806. The cubic root of 3133323220 is about 1463.3057047322.

Adding to 3133323220 its reverse (223233313), we get a palindrome (3356556533).

The spelling of 3133323220 in words is "three billion, one hundred thirty-three million, three hundred twenty-three thousand, two hundred twenty".