130143321 has 64 divisors (see below), whose sum is σ = 244684800. Its totient is φ = 66398400.

The previous prime is 130143289. The next prime is 130143341. The reversal of 130143321 is 123341031.

130143321 is a `hidden beast` number, since 1 + 301 + 43 + 321 = 666.

It is not a de Polignac number, because 130143321 - 2⁵ = 130143289 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 130143294 and 130143303.

It is not an unprimeable number, because it can be changed into a prime (130143341) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 122131 + ... + 123191.

It is an arithmetic number, because the mean of its divisors is an integer number (3823200).

Almost surely, 2^130143321 is an apocalyptic number.

130143321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

130143321 is a deficient number, since it is larger than the sum of its proper divisors (114541479).

130143321 is a wasteful number, since it uses less digits than its factorization.

130143321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1147 (or 1141 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 130143321 is about 11408.0375612986. The cubic root of 130143321 is about 506.7657963838.

Adding to 130143321 its reverse (123341031), we get a palindrome (253484352).

The spelling of 130143321 in words is "one hundred thirty million, one hundred forty-three thousand, three hundred twenty-one".