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12431201479 is a prime number
BaseRepresentation
bin10111001001111010…
…10001010011000111
31012002100111110120121
423210331101103013
5200424341421404
65413311442411
7620025316624
oct134475212307
935070443517
1012431201479
1152aa0a8734
1224ab226407
1312315abc28
1485cdc534b
154cb548e54
hex2e4f514c7

12431201479 has 2 divisors, whose sum is σ = 12431201480. Its totient is φ = 12431201478.

The previous prime is 12431201389. The next prime is 12431201501. The reversal of 12431201479 is 97410213421.

It is a strong prime.

It is an emirp because it is prime and its reverse (97410213421) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12431201479 - 233 = 3841266887 is a prime.

It is a super-2 number, since 2×124312014792 (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12431211479) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6215600739 + 6215600740.

It is an arithmetic number, because the mean of its divisors is an integer number (6215600740).

Almost surely, 212431201479 is an apocalyptic number.

12431201479 is a deficient number, since it is larger than the sum of its proper divisors (1).

12431201479 is an equidigital number, since it uses as much as digits as its factorization.

12431201479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 12096, while the sum is 34.

The spelling of 12431201479 in words is "twelve billion, four hundred thirty-one million, two hundred one thousand, four hundred seventy-nine".