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12341235631 is a prime number
BaseRepresentation
bin10110111111001100…
…00100111110101111
31011212002012201122011
423133212010332233
5200233324020011
65400335302051
7614553525544
oct133746047657
934762181564
1012341235631
11526333aa9a
12248507a927
131218a6c6ba
14851086bcb
154c36c7621
hex2df984faf

12341235631 has 2 divisors, whose sum is σ = 12341235632. Its totient is φ = 12341235630.

The previous prime is 12341235619. The next prime is 12341235671. The reversal of 12341235631 is 13653214321.

It is a weak prime.

It is an emirp because it is prime and its reverse (13653214321) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 12341235631 - 213 = 12341227439 is a prime.

It is a super-2 number, since 2×123412356312 (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 12341235593 and 12341235602.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12341235671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6170617815 + 6170617816.

It is an arithmetic number, because the mean of its divisors is an integer number (6170617816).

Almost surely, 212341235631 is an apocalyptic number.

12341235631 is a deficient number, since it is larger than the sum of its proper divisors (1).

12341235631 is an equidigital number, since it uses as much as digits as its factorization.

12341235631 is an evil number, because the sum of its binary digits is even.

The product of its digits is 12960, while the sum is 31.

Adding to 12341235631 its reverse (13653214321), we get a palindrome (25994449952).

The spelling of 12341235631 in words is "twelve billion, three hundred forty-one million, two hundred thirty-five thousand, six hundred thirty-one".