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13512112673431 is a prime number
BaseRepresentation
bin1100010010100000100010…
…1011010001001010010111
31202211202010100211210202111
43010220020223101022113
53232340301321022211
644423213500251451
72563134514452541
oct304501053211227
952752110753674
1013512112673431
11433a500386aa9
1216228a3240b87
137702573cab78
14349dbdbd6691
15186733895421
hexc4a08ad1297

13512112673431 has 2 divisors, whose sum is σ = 13512112673432. Its totient is φ = 13512112673430.

The previous prime is 13512112673407. The next prime is 13512112673441. The reversal of 13512112673431 is 13437621121531.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13512112673431 - 27 = 13512112673303 is a prime.

It is a super-2 number, since 2×135121126734312 (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13512112673441) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6756056336715 + 6756056336716.

It is an arithmetic number, because the mean of its divisors is an integer number (6756056336716).

Almost surely, 213512112673431 is an apocalyptic number.

13512112673431 is a deficient number, since it is larger than the sum of its proper divisors (1).

13512112673431 is an equidigital number, since it uses as much as digits as its factorization.

13512112673431 is an evil number, because the sum of its binary digits is even.

The product of its digits is 90720, while the sum is 40.

Adding to 13512112673431 its reverse (13437621121531), we get a palindrome (26949733794962).

The spelling of 13512112673431 in words is "thirteen trillion, five hundred twelve billion, one hundred twelve million, six hundred seventy-three thousand, four hundred thirty-one".