130403135321 has 4 divisors (see below), whose sum is σ = 132053808000. Its totient is φ = 128752462644.

The previous prime is 130403135249. The next prime is 130403135333. The reversal of 130403135321 is 123531304031.

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, and also an emirpimes, since its reverse is a distinct semiprime: 123531304031 = 29 ⋅4259700139.

It is a cyclic number.

It is not a de Polignac number, because 130403135321 - 2¹⁰ = 130403134297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130403135371) 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, 825336221 + ... + 825336378.

It is an arithmetic number, because the mean of its divisors is an integer number (33013452000).

Almost surely, 2^130403135321 is an apocalyptic number.

It is an amenable number.

130403135321 is a deficient number, since it is larger than the sum of its proper divisors (1650672679).

130403135321 is an equidigital number, since it uses as much as digits as its factorization.

130403135321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1650672678.

The product of its (nonzero) digits is 3240, while the sum is 26.

Adding to 130403135321 its reverse (123531304031), we get a palindrome (253934439352).

The spelling of 130403135321 in words is "one hundred thirty billion, four hundred three million, one hundred thirty-five thousand, three hundred twenty-one".