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1312347359 is a prime number
BaseRepresentation
bin100111000111000…
…1101010011011111
310101110102011010202
41032032031103133
510141430103414
6334120054115
744343524411
oct11616152337
93343364122
101312347359
11613870aa4
1230760433b
1317bb6c0cb
14c64169b1
157a32d9de
hex4e38d4df

1312347359 has 2 divisors, whose sum is σ = 1312347360. Its totient is φ = 1312347358.

The previous prime is 1312347343. The next prime is 1312347371. The reversal of 1312347359 is 9537432131.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1312347359 - 24 = 1312347343 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1312347059) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 656173679 + 656173680.

It is an arithmetic number, because the mean of its divisors is an integer number (656173680).

Almost surely, 21312347359 is an apocalyptic number.

1312347359 is a deficient number, since it is larger than the sum of its proper divisors (1).

1312347359 is an equidigital number, since it uses as much as digits as its factorization.

1312347359 is an evil number, because the sum of its binary digits is even.

The product of its digits is 68040, while the sum is 38.

The square root of 1312347359 is about 36226.3351582795. The cubic root of 1312347359 is about 1094.8373392515.

The spelling of 1312347359 in words is "one billion, three hundred twelve million, three hundred forty-seven thousand, three hundred fifty-nine".