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313008193 is a prime number
BaseRepresentation
bin10010101010000…
…010000001000001
3210210222110112001
4102222002001001
51120112230233
651020504001
710520345221
oct2252020101
9723873461
10313008193
11150759763
12889ab001
134cb03964
142d7dc081
151c72d27d
hex12a82041

313008193 has 2 divisors, whose sum is σ = 313008194. Its totient is φ = 313008192.

The previous prime is 313008167. The next prime is 313008217. The reversal of 313008193 is 391800313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 263347984 + 49660209 = 16228^2 + 7047^2 .

It is a cyclic number.

It is not a de Polignac number, because 313008193 - 213 = 313000001 is a prime.

It is not a weakly prime, because it can be changed into another prime (313008593) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156504096 + 156504097.

It is an arithmetic number, because the mean of its divisors is an integer number (156504097).

Almost surely, 2313008193 is an apocalyptic number.

It is an amenable number.

313008193 is a deficient number, since it is larger than the sum of its proper divisors (1).

313008193 is an equidigital number, since it uses as much as digits as its factorization.

313008193 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 313008193 is about 17692.0375593090. The cubic root of 313008193 is about 678.9720577343.

It can be divided in two parts, 31300 and 8193, that added together give a palindrome (39493).

The spelling of 313008193 in words is "three hundred thirteen million, eight thousand, one hundred ninety-three".