2381340031884 has 72 divisors (see below), whose sum is σ = 6600750238992. Its totient is φ = 717879214080.

The previous prime is 2381340031867. The next prime is 2381340031907. The reversal of 2381340031884 is 4881300431832.

2381340031884 is a `hidden beast` number, since 238 + 1 + 3 + 400 + 3 + 1 + 8 + 8 + 4 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 15502549 + ... + 15655404.

Almost surely, 2^{2381340031884} is an apocalyptic number.

It is an amenable number.

2381340031884 is an abundant number, since it is smaller than the sum of its proper divisors (4219410207108).

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

2381340031884 is a wasteful number, since it uses less digits than its factorization.

2381340031884 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31158167 (or 31158162 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 45.

The spelling of 2381340031884 in words is "two trillion, three hundred eighty-one billion, three hundred forty million, thirty-one thousand, eight hundred eighty-four".