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313051457 is a prime number
BaseRepresentation
bin10010101010001…
…100100101000001
3210211001122212102
4102222030211001
51120120121312
651021440145
710520615315
oct2252144501
9724048772
10313051457
11150789214
1288a10055
134cb1a564
142d80db45
151c73aec2
hex12a8c941

313051457 has 2 divisors, whose sum is σ = 313051458. Its totient is φ = 313051456.

The previous prime is 313051411. The next prime is 313051469. The reversal of 313051457 is 754150313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 281702656 + 31348801 = 16784^2 + 5599^2 .

It is a cyclic number.

It is not a de Polignac number, because 313051457 - 26 = 313051393 is a prime.

It is not a weakly prime, because it can be changed into another prime (313051357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156525728 + 156525729.

It is an arithmetic number, because the mean of its divisors is an integer number (156525729).

Almost surely, 2313051457 is an apocalyptic number.

It is an amenable number.

313051457 is a deficient number, since it is larger than the sum of its proper divisors (1).

313051457 is an equidigital number, since it uses as much as digits as its factorization.

313051457 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6300, while the sum is 29.

The square root of 313051457 is about 17693.2602139911. The cubic root of 313051457 is about 679.0033388045.

The spelling of 313051457 in words is "three hundred thirteen million, fifty-one thousand, four hundred fifty-seven".