130534321243 has 4 divisors (see below), whose sum is σ = 130537498680. Its totient is φ = 130531143808.

The previous prime is 130534321241. The next prime is 130534321289. The reversal of 130534321243 is 342123435031.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 130534321243 - 2¹ = 130534321241 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130534321241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1526278 + ... + 1609531.

It is an arithmetic number, because the mean of its divisors is an integer number (32634374670).

Almost surely, 2^130534321243 is an apocalyptic number.

130534321243 is a deficient number, since it is larger than the sum of its proper divisors (3177437).

130534321243 is an equidigital number, since it uses as much as digits as its factorization.

130534321243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3177436.

The product of its (nonzero) digits is 25920, while the sum is 31.

Adding to 130534321243 its reverse (342123435031), we get a palindrome (472657756274).

The spelling of 130534321243 in words is "one hundred thirty billion, five hundred thirty-four million, three hundred twenty-one thousand, two hundred forty-three".