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13243114231 is a prime number
BaseRepresentation
bin11000101010101100…
…11110001011110111
31021011221020220111021
430111112132023313
5204110214123411
610030033522011
7646114420324
oct142526361367
937157226437
1013243114231
115686435806
122697113307
131330873189
148d8b71b4b
15527975a71
hex31559e2f7

13243114231 has 2 divisors, whose sum is σ = 13243114232. Its totient is φ = 13243114230.

The previous prime is 13243114177. The next prime is 13243114273. The reversal of 13243114231 is 13241134231.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-13243114231 is a prime.

It is a super-2 number, since 2×132431142312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13243114196 and 13243114205.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13243112231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6621557115 + 6621557116.

It is an arithmetic number, because the mean of its divisors is an integer number (6621557116).

Almost surely, 213243114231 is an apocalyptic number.

13243114231 is a deficient number, since it is larger than the sum of its proper divisors (1).

13243114231 is an equidigital number, since it uses as much as digits as its factorization.

13243114231 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1728, while the sum is 25.

Adding to 13243114231 its reverse (13241134231), we get a palindrome (26484248462).

The spelling of 13243114231 in words is "thirteen billion, two hundred forty-three million, one hundred fourteen thousand, two hundred thirty-one".