3129131313906 has 64 divisors (see below), whose sum is σ = 6907561790976. Its totient is φ = 938970547200.

The previous prime is 3129131313821. The next prime is 3129131313983. The reversal of 3129131313906 is 6093131319213.

3129131313906 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 488635 + ... + 2548926.

It is an arithmetic number, because the mean of its divisors is an integer number (107930652984).

Almost surely, 2^{3129131313906} is an apocalyptic number.

3129131313906 is an abundant number, since it is smaller than the sum of its proper divisors (3778430477070).

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

3129131313906 is a wasteful number, since it uses less digits than its factorization.

3129131313906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3037907.

The product of its (nonzero) digits is 78732, while the sum is 42.

The spelling of 3129131313906 in words is "three trillion, one hundred twenty-nine billion, one hundred thirty-one million, three hundred thirteen thousand, nine hundred six".