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12313102621 is a prime number
BaseRepresentation
bin10110111011110101…
…10000100100011101
31011210010021102101211
423131322300210131
5200204123240441
65353452304421
7614062434241
oct133572604435
934703242354
1012313102621
115249475276
122477772111
131212c9c451
1484b442421
154c0ebba81
hex2ddeb091d

12313102621 has 2 divisors, whose sum is σ = 12313102622. Its totient is φ = 12313102620.

The previous prime is 12313102597. The next prime is 12313102631. The reversal of 12313102621 is 12620131321.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11388091225 + 925011396 = 106715^2 + 30414^2 .

It is a cyclic number.

It is not a de Polignac number, because 12313102621 - 213 = 12313094429 is a prime.

It is a super-3 number, since 3×123131026213 (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a junction number, because it is equal to n+sod(n) for n = 12313102592 and 12313102601.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (12313102631) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156551310 + 6156551311.

It is an arithmetic number, because the mean of its divisors is an integer number (6156551311).

Almost surely, 212313102621 is an apocalyptic number.

It is an amenable number.

12313102621 is a deficient number, since it is larger than the sum of its proper divisors (1).

12313102621 is an equidigital number, since it uses as much as digits as its factorization.

12313102621 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 22.

Adding to 12313102621 its reverse (12620131321), we get a palindrome (24933233942).

The spelling of 12313102621 in words is "twelve billion, three hundred thirteen million, one hundred two thousand, six hundred twenty-one".