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3123231012313 is a prime number
BaseRepresentation
bin101101011100101111000…
…100110011010111011001
3102001120121100011022121021
4231130233010303113121
5402132334114343223
610350443103442441
7441434401402336
oct55345704632731
912046540138537
103123231012313
11aa4611536205
124253778b6421
1319869a223779
14ab2453bb98d
15563981c165d
hex2d72f1335d9

3123231012313 has 2 divisors, whose sum is σ = 3123231012314. Its totient is φ = 3123231012312.

The previous prime is 3123231012263. The next prime is 3123231012331. The reversal of 3123231012313 is 3132101323213.

Together with next prime (3123231012331) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3096906598809 + 26324413504 = 1759803^2 + 162248^2 .

It is a cyclic number.

It is not a de Polignac number, because 3123231012313 - 233 = 3114641077721 is a prime.

It is not a weakly prime, because it can be changed into another prime (3123231012413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1561615506156 + 1561615506157.

It is an arithmetic number, because the mean of its divisors is an integer number (1561615506157).

Almost surely, 23123231012313 is an apocalyptic number.

It is an amenable number.

3123231012313 is a deficient number, since it is larger than the sum of its proper divisors (1).

3123231012313 is an equidigital number, since it uses as much as digits as its factorization.

3123231012313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 25.

Adding to 3123231012313 its reverse (3132101323213), we get a palindrome (6255332335526).

The spelling of 3123231012313 in words is "three trillion, one hundred twenty-three billion, two hundred thirty-one million, twelve thousand, three hundred thirteen".