3431521252 has 12 divisors (see below), whose sum is σ = 6118467516. Its totient is φ = 1683387680.

The previous prime is 3431521153. The next prime is 3431521253. The reversal of 3431521252 is 2521251343.

3431521252 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 994519296 + 2437001956 = 31536^2 + 49366^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 3431521252.

It is not an unprimeable number, because it can be changed into a prime (3431521253) 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, 8092999 + ... + 8093422.

It is an arithmetic number, because the mean of its divisors is an integer number (509872293).

Almost surely, 2^3431521252 is an apocalyptic number.

It is an amenable number.

3431521252 is a deficient number, since it is larger than the sum of its proper divisors (2686946264).

3431521252 is a wasteful number, since it uses less digits than its factorization.

3431521252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16186478 (or 16186476 counting only the distinct ones).

The product of its digits is 7200, while the sum is 28.

The square root of 3431521252 is about 58579.1878741930. The cubic root of 3431521252 is about 1508.3272050407.

Adding to 3431521252 its reverse (2521251343), we get a palindrome (5952772595).

The spelling of 3431521252 in words is "three billion, four hundred thirty-one million, five hundred twenty-one thousand, two hundred fifty-two".