2131838583336 has 960 divisors, whose sum is σ = 8050023907200. Its totient is φ = 519411916800.

The previous prime is 2131838583331. The next prime is 2131838583379. The reversal of 2131838583336 is 6333858381312.

2131838583336 is a `hidden beast` number, since 2 + 13 + 18 + 3 + 8 + 583 + 3 + 36 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (2131838583331) by changing a digit.

It is a polite number, since it can be written in 239 ways as a sum of consecutive naturals, for example, 3378507741 + ... + 3378508371.

It is an arithmetic number, because the mean of its divisors is an integer number (8385441570).

Almost surely, 2^{2131838583336} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2131838583336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4025011953600).

2131838583336 is an abundant number, since it is smaller than the sum of its proper divisors (5918185323864).

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

2131838583336 is a wasteful number, since it uses less digits than its factorization.

2131838583336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1260 (or 1240 counting only the distinct ones).

The product of its digits is 7464960, while the sum is 54.

The spelling of 2131838583336 in words is "two trillion, one hundred thirty-one billion, eight hundred thirty-eight million, five hundred eighty-three thousand, three hundred thirty-six".