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312110320087 is a prime number
BaseRepresentation
bin1001000101010110011…
…10011000100111010111
31002211121111122000210201
410202223032120213113
520103200220220322
6355214223201331
731356245643106
oct4425316304727
91084544560721
10312110320087
11110402158aa5
12505a5146247
132357caab397
141116b67a03d
1581ba971d27
hex48ab3989d7

312110320087 has 2 divisors, whose sum is σ = 312110320088. Its totient is φ = 312110320086.

The previous prime is 312110320061. The next prime is 312110320139. The reversal of 312110320087 is 780023011213.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-312110320087 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312110320187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156055160043 + 156055160044.

It is an arithmetic number, because the mean of its divisors is an integer number (156055160044).

Almost surely, 2312110320087 is an apocalyptic number.

312110320087 is a deficient number, since it is larger than the sum of its proper divisors (1).

312110320087 is an equidigital number, since it uses as much as digits as its factorization.

312110320087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2016, while the sum is 28.

The spelling of 312110320087 in words is "three hundred twelve billion, one hundred ten million, three hundred twenty thousand, eighty-seven".