3128952229 has 8 divisors (see below), whose sum is σ = 3370083192. Its totient is φ = 2887884480.

The previous prime is 3128952227. The next prime is 3128952283. The reversal of 3128952229 is 9222598213.

It can be written as a sum of positive squares in 4 ways, for example, as 276324129 + 2852628100 = 16623^2 + 53410^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3128952229 - 2¹ = 3128952227 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3128952227) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 157287 + ... + 176059.

It is an arithmetic number, because the mean of its divisors is an integer number (421260399).

Almost surely, 2^3128952229 is an apocalyptic number.

It is an amenable number.

3128952229 is a deficient number, since it is larger than the sum of its proper divisors (241130963).

3128952229 is a wasteful number, since it uses less digits than its factorization.

3128952229 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31607.

The product of its digits is 155520, while the sum is 43.

The square root of 3128952229 is about 55937.0380785397. The cubic root of 3128952229 is about 1462.6249501348.

The spelling of 3128952229 in words is "three billion, one hundred twenty-eight million, nine hundred fifty-two thousand, two hundred twenty-nine".