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312234801287 is a prime number
BaseRepresentation
bin1001000101100101010…
…01001111100010000111
31002211221011212022220112
410202302221033202013
520103424102120122
6355234431223235
731362320010053
oct4426251174207
91084834768815
10312234801287
11110466450622
125061a977b1b
132359c813bb6
1411180000c63
1581c68602e2
hex48b2a4f887

312234801287 has 2 divisors, whose sum is σ = 312234801288. Its totient is φ = 312234801286.

The previous prime is 312234801227. The next prime is 312234801301. The reversal of 312234801287 is 782108432213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312234801287 - 214 = 312234784903 is a prime.

It is a super-2 number, since 2×3122348012872 (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312234801217) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156117400643 + 156117400644.

It is an arithmetic number, because the mean of its divisors is an integer number (156117400644).

Almost surely, 2312234801287 is an apocalyptic number.

312234801287 is a deficient number, since it is larger than the sum of its proper divisors (1).

312234801287 is an equidigital number, since it uses as much as digits as its factorization.

312234801287 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 312234801287 in words is "three hundred twelve billion, two hundred thirty-four million, eight hundred one thousand, two hundred eighty-seven".