2130531543 has 12 divisors (see below), whose sum is σ = 3517068048. Its totient is φ = 1217446560.

The previous prime is 2130531527. The next prime is 2130531563. The reversal of 2130531543 is 3451350312.

2130531543 is a `hidden beast` number, since 2 + 1 + 305 + 315 + 43 = 666.

It is not a de Polignac number, because 2130531543 - 2⁴ = 2130531527 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2130531523) 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, 16908918 + ... + 16909043.

It is an arithmetic number, because the mean of its divisors is an integer number (293089004).

Almost surely, 2^2130531543 is an apocalyptic number.

2130531543 is a deficient number, since it is larger than the sum of its proper divisors (1386536505).

2130531543 is a wasteful number, since it uses less digits than its factorization.

2130531543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33817974 (or 33817971 counting only the distinct ones).

The product of its (nonzero) digits is 5400, while the sum is 27.

The square root of 2130531543 is about 46157.6813000827. The cubic root of 2130531543 is about 1286.7553703227.

Adding to 2130531543 its reverse (3451350312), we get a palindrome (5581881855).

The spelling of 2130531543 in words is "two billion, one hundred thirty million, five hundred thirty-one thousand, five hundred forty-three".