201631254543 has 12 divisors (see below), whose sum is σ = 291322263960. Its totient is φ = 134385243216.

The previous prime is 201631254533. The next prime is 201631254563. The reversal of 201631254543 is 345452136102.

201631254543 is a `hidden beast` number, since 2 + 0 + 1 + 63 + 1 + 2 + 54 + 543 = 666.

It is not a de Polignac number, because 201631254543 - 2⁵ = 201631254511 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 201631254498 and 201631254507.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (201631254533) 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, 2930196 + ... + 2998217.

It is an arithmetic number, because the mean of its divisors is an integer number (24276855330).

Almost surely, 2^201631254543 is an apocalyptic number.

201631254543 is a deficient number, since it is larger than the sum of its proper divisors (89691009417).

201631254543 is a wasteful number, since it uses less digits than its factorization.

201631254543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5932198 (or 5932195 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 36.

The spelling of 201631254543 in words is "two hundred one billion, six hundred thirty-one million, two hundred fifty-four thousand, five hundred forty-three".