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313608901 is a prime number
BaseRepresentation
bin10010101100010…
…100101011000101
3210212002222112111
4102230110223011
51120240441101
651041421021
710525426444
oct2254245305
9725088474
10313608901
1115102a011
128903a771
134cc841c8
142d916d5b
151c7eb251
hex12b14ac5

313608901 has 2 divisors, whose sum is σ = 313608902. Its totient is φ = 313608900.

The previous prime is 313608853. The next prime is 313608937. The reversal of 313608901 is 109806313.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 256832676 + 56776225 = 16026^2 + 7535^2 .

It is a cyclic number.

It is not a de Polignac number, because 313608901 - 27 = 313608773 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (313608101) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156804450 + 156804451.

It is an arithmetic number, because the mean of its divisors is an integer number (156804451).

Almost surely, 2313608901 is an apocalyptic number.

It is an amenable number.

313608901 is a deficient number, since it is larger than the sum of its proper divisors (1).

313608901 is an equidigital number, since it uses as much as digits as its factorization.

313608901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 313608901 is about 17709.0062115298. The cubic root of 313608901 is about 679.4061287023.

The spelling of 313608901 in words is "three hundred thirteen million, six hundred eight thousand, nine hundred one".