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312323231147 is a prime number
BaseRepresentation
bin1001000101101111110…
…10100100110110101011
31002212011100021000212112
410202313322210312223
520104114221344042
6355251310432535
731364442443054
oct4426772446653
91085140230775
10312323231147
1111050135a254
125064450274b
13235b4c36265
141118ba5d72b
1581ce4cb982
hex48b7ea4dab

312323231147 has 2 divisors, whose sum is σ = 312323231148. Its totient is φ = 312323231146.

The previous prime is 312323231093. The next prime is 312323231149. The reversal of 312323231147 is 741132323213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312323231147 - 26 = 312323231083 is a prime.

Together with 312323231149, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (312323231149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156161615573 + 156161615574.

It is an arithmetic number, because the mean of its divisors is an integer number (156161615574).

Almost surely, 2312323231147 is an apocalyptic number.

312323231147 is a deficient number, since it is larger than the sum of its proper divisors (1).

312323231147 is an equidigital number, since it uses as much as digits as its factorization.

312323231147 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18144, while the sum is 32.

The spelling of 312323231147 in words is "three hundred twelve billion, three hundred twenty-three million, two hundred thirty-one thousand, one hundred forty-seven".