130321043993 has 4 divisors (see below), whose sum is σ = 148938336000. Its totient is φ = 111703751988.

The previous prime is 130321043959. The next prime is 130321044017. The reversal of 130321043993 is 399340123031.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 130321043993 - 2¹⁶ = 130320978457 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130321043953) 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, 9308645993 + ... + 9308646006.

It is an arithmetic number, because the mean of its divisors is an integer number (37234584000).

Almost surely, 2^130321043993 is an apocalyptic number.

It is an amenable number.

130321043993 is a deficient number, since it is larger than the sum of its proper divisors (18617292007).

130321043993 is an equidigital number, since it uses as much as digits as its factorization.

130321043993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18617292006.

The product of its (nonzero) digits is 52488, while the sum is 38.

The spelling of 130321043993 in words is "one hundred thirty billion, three hundred twenty-one million, forty-three thousand, nine hundred ninety-three".