2131903334988 has 36 divisors (see below), whose sum is σ = 6158831857360. Its totient is φ = 609115238496.

The previous prime is 2131903334983. The next prime is 2131903334999. The reversal of 2131903334988 is 8894333091312.

2131903334988 is a `hidden beast` number, since 2 + 1 + 3 + 190 + 33 + 349 + 88 = 666.

It is a tau number, because it is divible by the number of its divisors (36).

It is not an unprimeable number, because it can be changed into a prime (2131903334983) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4229966683 + ... + 4229967186.

Almost surely, 2^{2131903334988} is an apocalyptic number.

2131903334988 is a gapful number since it is divisible by the number (28) formed by its first and last digit.

It is an amenable number.

2131903334988 is an abundant number, since it is smaller than the sum of its proper divisors (4026928522372).

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

2131903334988 is a wasteful number, since it uses less digits than its factorization.

2131903334988 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8459933886 (or 8459933881 counting only the distinct ones).

The product of its (nonzero) digits is 3359232, while the sum is 54.

The spelling of 2131903334988 in words is "two trillion, one hundred thirty-one billion, nine hundred three million, three hundred thirty-four thousand, nine hundred eighty-eight".