2131850286 has 128 divisors (see below), whose sum is σ = 5143824000. Its totient is φ = 652050432.

The previous prime is 2131850267. The next prime is 2131850311. The reversal of 2131850286 is 6820581312.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2131850286.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 7924960 + ... + 7925228.

It is an arithmetic number, because the mean of its divisors is an integer number (40186125).

Almost surely, 2^2131850286 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2131850286, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2571912000).

2131850286 is an abundant number, since it is smaller than the sum of its proper divisors (3011973714).

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

2131850286 is a wasteful number, since it uses less digits than its factorization.

2131850286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483 (or 477 counting only the distinct ones).

The product of its (nonzero) digits is 23040, while the sum is 36.

The square root of 2131850286 is about 46171.9642857005. The cubic root of 2131850286 is about 1287.0208048104.

The spelling of 2131850286 in words is "two billion, one hundred thirty-one million, eight hundred fifty thousand, two hundred eighty-six".