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313250243 is a prime number
BaseRepresentation
bin10010101010111…
…101000111000011
3210211102202112212
4102222331013003
51120143001433
651030012335
710522404005
oct2252750703
9724382485
10313250243
111509045a9
1288aa70ab
134cb89b97
142d862375
151c779d48
hex12abd1c3

313250243 has 2 divisors, whose sum is σ = 313250244. Its totient is φ = 313250242.

The previous prime is 313250221. The next prime is 313250309. The reversal of 313250243 is 342052313.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 313250243 - 28 = 313249987 is a prime.

It is not a weakly prime, because it can be changed into another prime (313250543) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156625121 + 156625122.

It is an arithmetic number, because the mean of its divisors is an integer number (156625122).

Almost surely, 2313250243 is an apocalyptic number.

313250243 is a deficient number, since it is larger than the sum of its proper divisors (1).

313250243 is an equidigital number, since it uses as much as digits as its factorization.

313250243 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2160, while the sum is 23.

The square root of 313250243 is about 17698.8768852716. The cubic root of 313250243 is about 679.1470295567.

The spelling of 313250243 in words is "three hundred thirteen million, two hundred fifty thousand, two hundred forty-three".