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331303112421 = 3217015088907
BaseRepresentation
bin1001101001000110011…
…01000100111011100101
31011200011002020220022020
410310203031010323211
520412002044044141
6412110515253353
732635666663641
oct4644315047345
91150132226266
10331303112421
11118560a73a46
12542608aa259
132531b17b538
141206c67bc21
1589408e0266
hex4d23344ee5

331303112421 has 8 divisors (see below), whose sum is σ = 441757925664. Its totient is φ = 220858520400.

The previous prime is 331303112297. The next prime is 331303112449. The reversal of 331303112421 is 124211303133.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 331303112421 - 213 = 331303104229 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 331303112391 and 331303112400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331303110421) 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 7 ways as a sum of consecutive naturals, for example, 2479351 + ... + 2609556.

It is an arithmetic number, because the mean of its divisors is an integer number (55219740708).

Almost surely, 2331303112421 is an apocalyptic number.

It is an amenable number.

331303112421 is a deficient number, since it is larger than the sum of its proper divisors (110454813243).

331303112421 is a wasteful number, since it uses less digits than its factorization.

331303112421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5110611.

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 331303112421 its reverse (124211303133), we get a palindrome (455514415554).

The spelling of 331303112421 in words is "three hundred thirty-one billion, three hundred three million, one hundred twelve thousand, four hundred twenty-one".

Divisors: 1 3 21701 65103 5088907 15266721 110434370807 331303112421