200131260534 has 48 divisors (see below), whose sum is σ = 447653606400. Its totient is φ = 64551518640.

The previous prime is 200131260509. The next prime is 200131260607. The reversal of 200131260534 is 435062131002.

200131260534 is a `hidden beast` number, since 2 + 0 + 0 + 1 + 3 + 126 + 0 + 534 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 200131260498 and 200131260507.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8652517 + ... + 8675615.

It is an arithmetic number, because the mean of its divisors is an integer number (9326116800).

Almost surely, 2^200131260534 is an apocalyptic number.

200131260534 is an abundant number, since it is smaller than the sum of its proper divisors (247522345866).

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

200131260534 is a wasteful number, since it uses less digits than its factorization.

200131260534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38665 (or 38662 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

Adding to 200131260534 its reverse (435062131002), we get a palindrome (635193391536).

The spelling of 200131260534 in words is "two hundred billion, one hundred thirty-one million, two hundred sixty thousand, five hundred thirty-four".