2131884927 has 24 divisors (see below), whose sum is σ = 3332294784. Its totient is φ = 1359459288.

The previous prime is 2131884883. The next prime is 2131884929. The reversal of 2131884927 is 7294881312.

It is a happy number.

It is not a de Polignac number, because 2131884927 - 2¹⁰ = 2131883903 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2131884929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 185133 + ... + 196310.

It is an arithmetic number, because the mean of its divisors is an integer number (138845616).

Almost surely, 2^2131884927 is an apocalyptic number.

2131884927 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

2131884927 is a deficient number, since it is larger than the sum of its proper divisors (1200409857).

2131884927 is an equidigital number, since it uses as much as digits as its factorization.

2131884927 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 381481 (or 381469 counting only the distinct ones).

The product of its digits is 193536, while the sum is 45.

The square root of 2131884927 is about 46172.3394144156. The cubic root of 2131884927 is about 1287.0277758199.

The spelling of 2131884927 in words is "two billion, one hundred thirty-one million, eight hundred eighty-four thousand, nine hundred twenty-seven".