3133133818 has 8 divisors (see below), whose sum is σ = 4814327700. Its totient is φ = 1528357920.

The previous prime is 3133133747. The next prime is 3133133819. The reversal of 3133133818 is 8183313313.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 3030172209 + 102961609 = 55047^2 + 10147^2 .

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

It is not an unprimeable number, because it can be changed into a prime (3133133819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19104393 + ... + 19104556.

Almost surely, 2^3133133818 is an apocalyptic number.

3133133818 is a deficient number, since it is larger than the sum of its proper divisors (1681193882).

3133133818 is a wasteful number, since it uses less digits than its factorization.

3133133818 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38208992.

The product of its digits is 15552, while the sum is 34.

The square root of 3133133818 is about 55974.4032393379. The cubic root of 3133133818 is about 1463.2762196783.

The spelling of 3133133818 in words is "three billion, one hundred thirty-three million, one hundred thirty-three thousand, eight hundred eighteen".