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313892087 is a prime number
BaseRepresentation
bin10010101101011…
…001110011110111
3210212122100222212
4102231121303313
51120324021322
651051444035
710531016165
oct2255316367
9725570885
10313892087
11151202853
128915661b
1350053082
142d98c235
151c8550e2
hex12b59cf7

313892087 has 2 divisors, whose sum is σ = 313892088. Its totient is φ = 313892086.

The previous prime is 313892069. The next prime is 313892093. The reversal of 313892087 is 780298313.

It is a strong prime.

It is an emirp because it is prime and its reverse (780298313) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 313892087 - 214 = 313875703 is a prime.

It is equal to p16963448 and since 313892087 and 16963448 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313892687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156946043 + 156946044.

It is an arithmetic number, because the mean of its divisors is an integer number (156946044).

Almost surely, 2313892087 is an apocalyptic number.

313892087 is a deficient number, since it is larger than the sum of its proper divisors (1).

313892087 is an equidigital number, since it uses as much as digits as its factorization.

313892087 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 72576, while the sum is 41.

The square root of 313892087 is about 17716.9999435570. Note that the first 4 decimals coincide. The cubic root of 313892087 is about 679.6105663752.

The spelling of 313892087 in words is "three hundred thirteen million, eight hundred ninety-two thousand, eighty-seven".