2054188431 has 20 divisors (see below), whose sum is σ = 3098407312. Its totient is φ = 1356157728.

The previous prime is 2054188417. The next prime is 2054188453. The reversal of 2054188431 is 1348814502.

2054188431 is a `hidden beast` number, since 2 + 0 + 541 + 8 + 84 + 31 = 666.

It is not a de Polignac number, because 2054188431 - 2¹¹ = 2054186383 is a prime.

It is a super-2 number, since 2×2054188431² = 8439380220108483522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054188531) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 114766 + ... + 131451.

Almost surely, 2^2054188431 is an apocalyptic number.

2054188431 is a deficient number, since it is larger than the sum of its proper divisors (1044218881).

2054188431 is a wasteful number, since it uses less digits than its factorization.

2054188431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246332 (or 246323 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 2054188431 is about 45323.1555719590. The cubic root of 2054188431 is about 1271.1986597900.

The spelling of 2054188431 in words is "two billion, fifty-four million, one hundred eighty-eight thousand, four hundred thirty-one".