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2321031013321 = 18555712508453
BaseRepresentation
bin100001110001101000001…
…110101010001111001001
322012212222122100001100111
4201301220032222033021
5301011432414411241
64534133353434321
7326455212044146
oct41615016521711
98185878301314
102321031013321
11815386552729
123159b870b9a1
1313ab45546057
14804a4bb93cd
1540596bb2c81
hex21c683aa3c9

2321031013321 has 4 divisors (see below), whose sum is σ = 2321043707332. Its totient is φ = 2321018319312.

The previous prime is 2321031013291. The next prime is 2321031013333. The reversal of 2321031013321 is 1233101301232.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1653641683600 + 667389329721 = 1285940^2 + 816939^2 .

It is a cyclic number.

It is not a de Polignac number, because 2321031013321 - 25 = 2321031013289 is a prime.

It is a super-3 number, since 3×23210310133213 (a number of 38 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2321031013292 and 2321031013301.

It is not an unprimeable number, because it can be changed into a prime (2321031016321) 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 3 ways as a sum of consecutive naturals, for example, 6068670 + ... + 6439783.

It is an arithmetic number, because the mean of its divisors is an integer number (580260926833).

Almost surely, 22321031013321 is an apocalyptic number.

It is an amenable number.

2321031013321 is a deficient number, since it is larger than the sum of its proper divisors (12694011).

2321031013321 is a wasteful number, since it uses less digits than its factorization.

2321031013321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12694010.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 2321031013321 its reverse (1233101301232), we get a palindrome (3554132314553).

The spelling of 2321031013321 in words is "two trillion, three hundred twenty-one billion, thirty-one million, thirteen thousand, three hundred twenty-one".

Divisors: 1 185557 12508453 2321031013321