3133903920 has 80 divisors (see below), whose sum is σ = 11102979840. Its totient is φ = 716320512.

The previous prime is 3133903873. The next prime is 3133903931. The reversal of 3133903920 is 293093313.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 931030 + ... + 934389.

It is an arithmetic number, because the mean of its divisors is an integer number (138787248).

Almost surely, 2^3133903920 is an apocalyptic number.

3133903920 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3133903920 is an abundant number, since it is smaller than the sum of its proper divisors (7969075920).

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

3133903920 is a wasteful number, since it uses less digits than its factorization.

3133903920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1865442 (or 1865436 counting only the distinct ones).

The product of its (nonzero) digits is 13122, while the sum is 33.

The square root of 3133903920 is about 55981.2818717114. The cubic root of 3133903920 is about 1463.3960974850.

The spelling of 3133903920 in words is "three billion, one hundred thirty-three million, nine hundred three thousand, nine hundred twenty".