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12313212413 is a prime number
BaseRepresentation
bin10110111011110110…
…01011010111111101
31011210010111000000012
423131323023113331
5200204140244123
65353454513005
7614063402315
oct133573132775
934703430005
1012313212413
11524953a807
122477805765
13121300a408
1484b470445
154c0ede378
hex2ddecb5fd

12313212413 has 2 divisors, whose sum is σ = 12313212414. Its totient is φ = 12313212412.

The previous prime is 12313212397. The next prime is 12313212419. The reversal of 12313212413 is 31421231321.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8237922169 + 4075290244 = 90763^2 + 63838^2 .

It is a cyclic number.

It is not a de Polignac number, because 12313212413 - 24 = 12313212397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12313212419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156606206 + 6156606207.

It is an arithmetic number, because the mean of its divisors is an integer number (6156606207).

Almost surely, 212313212413 is an apocalyptic number.

It is an amenable number.

12313212413 is a deficient number, since it is larger than the sum of its proper divisors (1).

12313212413 is an equidigital number, since it uses as much as digits as its factorization.

12313212413 is an evil number, because the sum of its binary digits is even.

The product of its digits is 864, while the sum is 23.

Adding to 12313212413 its reverse (31421231321), we get a palindrome (43734443734).

The spelling of 12313212413 in words is "twelve billion, three hundred thirteen million, two hundred twelve thousand, four hundred thirteen".