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2430313321 = 19312592297
BaseRepresentation
bin1001000011011011…
…1010001101101001
320021101001201010111
42100312322031221
514434130011241
61041054014321
7114140215402
oct22066721551
96241051114
102430313321
111037937407
12579aa73a1
132c9670427
14190ab09a9
15e3562c81
hex90dba369

2430313321 has 4 divisors (see below), whose sum is σ = 2442905812. Its totient is φ = 2417720832.

The previous prime is 2430313283. The next prime is 2430313339. The reversal of 2430313321 is 1233130342.

2430313321 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1233130342 = 2616565171.

It can be written as a sum of positive squares in 2 ways, for example, as 857318400 + 1572994921 = 29280^2 + 39661^2 .

It is a cyclic number.

It is not a de Polignac number, because 2430313321 - 215 = 2430280553 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2430313292 and 2430313301.

It is not an unprimeable number, because it can be changed into a prime (2430313381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6295956 + ... + 6296341.

It is an arithmetic number, because the mean of its divisors is an integer number (610726453).

Almost surely, 22430313321 is an apocalyptic number.

It is an amenable number.

2430313321 is a deficient number, since it is larger than the sum of its proper divisors (12592491).

2430313321 is a wasteful number, since it uses less digits than its factorization.

2430313321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12592490.

The product of its (nonzero) digits is 1296, while the sum is 22.

The square root of 2430313321 is about 49298.2080911670. The cubic root of 2430313321 is about 1344.4792041265.

Adding to 2430313321 its reverse (1233130342), we get a palindrome (3663443663).

The spelling of 2430313321 in words is "two billion, four hundred thirty million, three hundred thirteen thousand, three hundred twenty-one".

Divisors: 1 193 12592297 2430313321