130531532543 has 6 divisors (see below), whose sum is σ = 132508847016. Its totient is φ = 128583296292.

The previous prime is 130531532501. The next prime is 130531532567. The reversal of 130531532543 is 345235135031.

It is a happy number.

It is not a de Polignac number, because 130531532543 - 2⁶ = 130531532479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130530532543) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 14534555 + ... + 14543532.

It is an arithmetic number, because the mean of its divisors is an integer number (22084807836).

Almost surely, 2^130531532543 is an apocalyptic number.

130531532543 is a deficient number, since it is larger than the sum of its proper divisors (1977314473).

130531532543 is an frugal number, since it uses more digits than its factorization.

130531532543 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29078221 (or 29078154 counting only the distinct ones).

The product of its (nonzero) digits is 81000, while the sum is 35.

Adding to 130531532543 its reverse (345235135031), we get a palindrome (475766667574).

The spelling of 130531532543 in words is "one hundred thirty billion, five hundred thirty-one million, five hundred thirty-two thousand, five hundred forty-three".