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1322031213 = 3416321373
BaseRepresentation
bin100111011001100…
…1001100001101101
310102010122010220000
41032303021201231
510201414444323
6335103414513
744522036256
oct11663114155
93363563800
101322031213
11619285688
1230a8b4439
13180b7cab9
14c7817b2d
157b0e2e43
hex4ecc986d

1322031213 has 10 divisors (see below), whose sum is σ = 1974886254. Its totient is φ = 881354088.

The previous prime is 1322031133. The next prime is 1322031233. The reversal of 1322031213 is 3121302231.

1322031213 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 699179364 + 622851849 = 26442^2 + 24957^2 .

It is not a de Polignac number, because 1322031213 - 29 = 1322030701 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1322031233) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 8160606 + ... + 8160767.

Almost surely, 21322031213 is an apocalyptic number.

It is an amenable number.

1322031213 is a deficient number, since it is larger than the sum of its proper divisors (652855041).

1322031213 is an equidigital number, since it uses as much as digits as its factorization.

1322031213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16321385 (or 16321376 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 1322031213 is about 36359.7471525862. The cubic root of 1322031213 is about 1097.5236893132.

Adding to 1322031213 its reverse (3121302231), we get a palindrome (4443333444).

The spelling of 1322031213 in words is "one billion, three hundred twenty-two million, thirty-one thousand, two hundred thirteen".

Divisors: 1 3 9 27 81 16321373 48964119 146892357 440677071 1322031213