133130131230321 has 40 divisors (see below), whose sum is σ = 199696765957920. Its totient is φ = 88751220378912.

The previous prime is 133130131230307. The next prime is 133130131230377. The reversal of 133130131230321 is 123032131031331.

133130131230321 is a `hidden beast` number, since 1 + 3 + 3 + 1 + 301 + 3 + 1 + 2 + 30 + 321 = 666.

It is not a de Polignac number, because 133130131230321 - 2⁷ = 133130131230193 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (133130131230521) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 1329005125 + ... + 1329105293.

It is an arithmetic number, because the mean of its divisors is an integer number (4992419148948).

Almost surely, 2^{133130131230321} is an apocalyptic number.

It is an amenable number.

133130131230321 is a deficient number, since it is larger than the sum of its proper divisors (66566634727599).

133130131230321 is an frugal number, since it uses more digits than its factorization.

133130131230321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 167719 (or 167695 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

Adding to 133130131230321 its reverse (123032131031331), we get a palindrome (256162262261652).

The spelling of 133130131230321 in words is "one hundred thirty-three trillion, one hundred thirty billion, one hundred thirty-one million, two hundred thirty thousand, three hundred twenty-one".