322130143421 has 16 divisors (see below), whose sum is σ = 327257544240. Its totient is φ = 317055997440.

The previous prime is 322130143399. The next prime is 322130143429. The reversal of 322130143421 is 124341031223.

It can be written as a sum of positive squares in 8 ways, for example, as 6746815321 + 315383328100 = 82139^2 + 561590^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-322130143421 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (322130143429) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7060001 + ... + 7105481.

It is an arithmetic number, because the mean of its divisors is an integer number (20453596515).

Almost surely, 2^322130143421 is an apocalyptic number.

It is an amenable number.

322130143421 is a deficient number, since it is larger than the sum of its proper divisors (5127400819).

322130143421 is a wasteful number, since it uses less digits than its factorization.

322130143421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 46064.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 322130143421 its reverse (124341031223), we get a palindrome (446471174644).

The spelling of 322130143421 in words is "three hundred twenty-two billion, one hundred thirty million, one hundred forty-three thousand, four hundred twenty-one".