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1331030032 = 2483189377
BaseRepresentation
bin100111101010101…
…1110100000010000
310102202120022221121
41033111132200100
510211220430112
6340024332024
744661366013
oct11725364020
93382508847
101331030032
11623371622
12311914014
131829b0a47
14c8abb37a
157bcbe407
hex4f55e810

1331030032 has 10 divisors (see below), whose sum is σ = 2578870718. Its totient is φ = 665515008.

The previous prime is 1331030021. The next prime is 1331030053. The reversal of 1331030032 is 2300301331.

It can be written as a sum of positive squares in only one way, i.e., 1306388736 + 24641296 = 36144^2 + 4964^2 .

It is a Harshad number since it is a multiple of its sum of digits (16), and also a Moran number because the ratio is a prime number: 83189377 = 1331030032 / (1 + 3 + 3 + 1 + 0 + 3 + 0 + 0 + 3 + 2).

It is a junction number, because it is equal to n+sod(n) for n = 1331029988 and 1331030015.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 41594673 + ... + 41594704.

Almost surely, 21331030032 is an apocalyptic number.

It is an amenable number.

1331030032 is a deficient number, since it is larger than the sum of its proper divisors (1247840686).

1331030032 is an equidigital number, since it uses as much as digits as its factorization.

1331030032 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 83189385 (or 83189379 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 16.

The square root of 1331030032 is about 36483.2842819832. The cubic root of 1331030032 is about 1100.0082732160.

Adding to 1331030032 its reverse (2300301331), we get a palindrome (3631331363).

The spelling of 1331030032 in words is "one billion, three hundred thirty-one million, thirty thousand, thirty-two".

Divisors: 1 2 4 8 16 83189377 166378754 332757508 665515016 1331030032