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1321302230 = 25676119543
BaseRepresentation
bin100111011000001…
…0111100011010110
310102002021002220122
41032300113203112
510201223132410
6335040031542
744512612043
oct11660274326
93362232818
101321302230
11618927a16
1230a6025b2
13180986051
14c76a81ca
157aeebe55
hex4ec178d6

1321302230 has 16 divisors (see below), whose sum is σ = 2378817504. Its totient is φ = 528415680.

The previous prime is 1321302221. The next prime is 1321302239. The reversal of 1321302230 is 322031231.

It is an interprime number because it is at equal distance from previous prime (1321302221) and next prime (1321302239).

It is a junction number, because it is equal to n+sod(n) for n = 1321302199 and 1321302208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1321302239) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 57839 + ... + 77381.

It is an arithmetic number, because the mean of its divisors is an integer number (148676094).

Almost surely, 21321302230 is an apocalyptic number.

1321302230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1321302230 is a deficient number, since it is larger than the sum of its proper divisors (1057515274).

1321302230 is a wasteful number, since it uses less digits than its factorization.

1321302230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26311.

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1321302230 is about 36349.7211818743. The cubic root of 1321302230 is about 1097.3219232213.

Adding to 1321302230 its reverse (322031231), we get a palindrome (1643333461).

The spelling of 1321302230 in words is "one billion, three hundred twenty-one million, three hundred two thousand, two hundred thirty".

Divisors: 1 2 5 10 6761 13522 19543 33805 39086 67610 97715 195430 132130223 264260446 660651115 1321302230