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12313132379 is a prime number
BaseRepresentation
bin10110111011110101…
…10111110101011011
31011210010022221012222
423131322313311123
5200204130214004
65353453054255
7614062620062
oct133572676533
934703287188
1012313132379
115249495669
12247778738b
131212cacb62
1484b44d1d9
154c0ec57be
hex2ddeb7d5b

12313132379 has 2 divisors, whose sum is σ = 12313132380. Its totient is φ = 12313132378.

The previous prime is 12313132367. The next prime is 12313132393. The reversal of 12313132379 is 97323131321.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-12313132379 is a prime.

It is a super-2 number, since 2×123131323792 (a number of 21 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (12313132339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6156566189 + 6156566190.

It is an arithmetic number, because the mean of its divisors is an integer number (6156566190).

Almost surely, 212313132379 is an apocalyptic number.

12313132379 is a deficient number, since it is larger than the sum of its proper divisors (1).

12313132379 is an equidigital number, since it uses as much as digits as its factorization.

12313132379 is an evil number, because the sum of its binary digits is even.

The product of its digits is 20412, while the sum is 35.

The spelling of 12313132379 in words is "twelve billion, three hundred thirteen million, one hundred thirty-two thousand, three hundred seventy-nine".