130440320341321 has 4 divisors (see below), whose sum is σ = 130523562410752. Its totient is φ = 130357078271892.

The previous prime is 130440320341237. The next prime is 130440320341381. The reversal of 130440320341321 is 123143023044031.

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 130440320341321 - 2³⁷ = 130302881387849 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130440320341381) 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, 41621032365 + ... + 41621035498.

It is an arithmetic number, because the mean of its divisors is an integer number (32630890602688).

Almost surely, 2^{130440320341321} is an apocalyptic number.

It is an amenable number.

130440320341321 is a deficient number, since it is larger than the sum of its proper divisors (83242069431).

130440320341321 is an equidigital number, since it uses as much as digits as its factorization.

130440320341321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83242069430.

The product of its (nonzero) digits is 20736, while the sum is 31.

Adding to 130440320341321 its reverse (123143023044031), we get a palindrome (253583343385352).

The spelling of 130440320341321 in words is "one hundred thirty trillion, four hundred forty billion, three hundred twenty million, three hundred forty-one thousand, three hundred twenty-one".