130331132312221 has 4 divisors (see below), whose sum is σ = 130331168777632. Its totient is φ = 130331095846812.

The previous prime is 130331132312179. The next prime is 130331132312239. The reversal of 130331132312221 is 122213231133031.

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 130331132312221 - 2¹⁹ = 130331131787933 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 130331132312221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (130331132312261) 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 3 ways as a sum of consecutive naturals, for example, 12207951 + ... + 20240956.

It is an arithmetic number, because the mean of its divisors is an integer number (32582792194408).

Almost surely, 2^{130331132312221} is an apocalyptic number.

It is an amenable number.

130331132312221 is a deficient number, since it is larger than the sum of its proper divisors (36465411).

130331132312221 is an equidigital number, since it uses as much as digits as its factorization.

130331132312221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36465410.

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 130331132312221 its reverse (122213231133031), we get a palindrome (252544363445252).

The spelling of 130331132312221 in words is "one hundred thirty trillion, three hundred thirty-one billion, one hundred thirty-two million, three hundred twelve thousand, two hundred twenty-one".