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13131743 is a prime number
BaseRepresentation
bin110010000101…
…111111011111
3220201011100212
4302011333133
511330203433
61145243035
7216421652
oct62057737
926634325
1013131743
11745a089
12449347b
13294a181
141a5b899
151245d48
hexc85fdf

13131743 has 2 divisors, whose sum is σ = 13131744. Its totient is φ = 13131742.

The previous prime is 13131737. The next prime is 13131749. The reversal of 13131743 is 34713131.

13131743 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a balanced prime because it is at equal distance from previous prime (13131737) and next prime (13131749).

It is a cyclic number.

It is not a de Polignac number, because 13131743 - 220 = 12083167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13131749) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6565871 + 6565872.

It is an arithmetic number, because the mean of its divisors is an integer number (6565872).

Almost surely, 213131743 is an apocalyptic number.

13131743 is a deficient number, since it is larger than the sum of its proper divisors (1).

13131743 is an equidigital number, since it uses as much as digits as its factorization.

13131743 is an evil number, because the sum of its binary digits is even.

The product of its digits is 756, while the sum is 23.

The square root of 13131743 is about 3623.7746894640. The cubic root of 13131743 is about 235.9250875420.

Adding to 13131743 its reverse (34713131), we get a palindrome (47844874).

The spelling of 13131743 in words is "thirteen million, one hundred thirty-one thousand, seven hundred forty-three".