2054131871 has 8 divisors (see below), whose sum is σ = 2241476688. Its totient is φ = 1866888000.

The previous prime is 2054131841. The next prime is 2054131903. The reversal of 2054131871 is 1781314502.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2054131871 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054131841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21011 + ... + 67451.

It is an arithmetic number, because the mean of its divisors is an integer number (280184586).

Almost surely, 2^2054131871 is an apocalyptic number.

2054131871 is a deficient number, since it is larger than the sum of its proper divisors (187344817).

2054131871 is a wasteful number, since it uses less digits than its factorization.

2054131871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50473.

The product of its (nonzero) digits is 6720, while the sum is 32.

The square root of 2054131871 is about 45322.5316040488. The cubic root of 2054131871 is about 1271.1869926266.

The spelling of 2054131871 in words is "two billion, fifty-four million, one hundred thirty-one thousand, eight hundred seventy-one".