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19331141 is a prime number
BaseRepresentation
bin100100110111…
…1100001000101
31100101010100012
41021233201011
514422044031
61530200005
7323212004
oct111574105
940333305
1019331141
11aa03855
126583005
13400ab5b
1427d2c3b
151a6cb2b
hex126f845

19331141 has 2 divisors, whose sum is σ = 19331142. Its totient is φ = 19331140.

The previous prime is 19331119. The next prime is 19331149. The reversal of 19331141 is 14113391.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 14250625 + 5080516 = 3775^2 + 2254^2 .

It is a cyclic number.

It is not a de Polignac number, because 19331141 - 210 = 19330117 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19331149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9665570 + 9665571.

It is an arithmetic number, because the mean of its divisors is an integer number (9665571).

Almost surely, 219331141 is an apocalyptic number.

It is an amenable number.

19331141 is a deficient number, since it is larger than the sum of its proper divisors (1).

19331141 is an equidigital number, since it uses as much as digits as its factorization.

19331141 is an evil number, because the sum of its binary digits is even.

The product of its digits is 324, while the sum is 23.

The square root of 19331141 is about 4396.7193451482. The cubic root of 19331141 is about 268.3814507627.

The spelling of 19331141 in words is "nineteen million, three hundred thirty-one thousand, one hundred forty-one".