2004143161321 has 16 divisors (see below), whose sum is σ = 2292532220160. Its totient is φ = 1716275453760.

The previous prime is 2004143161313. The next prime is 2004143161337. The reversal of 2004143161321 is 1231613414002.

It is not a de Polignac number, because 2004143161321 - 2³ = 2004143161313 is a prime.

It is a super-2 number, since 2×2004143161321² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 2004143161321.

It is not an unprimeable number, because it can be changed into a prime (2004143161351) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 42691500 + ... + 42738418.

It is an arithmetic number, because the mean of its divisors is an integer number (143283263760).

Almost surely, 2^{2004143161321} is an apocalyptic number.

It is an amenable number.

2004143161321 is a deficient number, since it is larger than the sum of its proper divisors (288389058839).

2004143161321 is a wasteful number, since it uses less digits than its factorization.

2004143161321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52344.

The product of its (nonzero) digits is 3456, while the sum is 28.

Adding to 2004143161321 its reverse (1231613414002), we get a palindrome (3235756575323).

The spelling of 2004143161321 in words is "two trillion, four billion, one hundred forty-three million, one hundred sixty-one thousand, three hundred twenty-one".