3251135320 has 16 divisors (see below), whose sum is σ = 7315054560. Its totient is φ = 1300454112.

The previous prime is 3251135311. The next prime is 3251135333. The reversal of 3251135320 is 235311523.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 40639152 + ... + 40639231.

It is an arithmetic number, because the mean of its divisors is an integer number (457190910).

Almost surely, 2^3251135320 is an apocalyptic number.

It is an amenable number.

3251135320 is an abundant number, since it is smaller than the sum of its proper divisors (4063919240).

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

3251135320 is a wasteful number, since it uses less digits than its factorization.

3251135320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81278394 (or 81278390 counting only the distinct ones).

The product of its (nonzero) digits is 2700, while the sum is 25.

The square root of 3251135320 is about 57018.7278006095. The cubic root of 3251135320 is about 1481.4204952021.

Adding to 3251135320 its reverse (235311523), we get a palindrome (3486446843).

The spelling of 3251135320 in words is "three billion, two hundred fifty-one million, one hundred thirty-five thousand, three hundred twenty".