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310150121 is a prime number
BaseRepresentation
bin10010011111001…
…000001111101001
3210121121020222112
4102133020033221
51113344300441
650435332105
710454142521
oct2237101751
9717536875
10310150121
1114a087416
1287a51035
134c342aa8
142d296681
151c3664eb
hex127c83e9

310150121 has 2 divisors, whose sum is σ = 310150122. Its totient is φ = 310150120.

The previous prime is 310150109. The next prime is 310150123. The reversal of 310150121 is 121051013.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 284394496 + 25755625 = 16864^2 + 5075^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-310150121 is a prime.

Together with 310150123, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 310150096 and 310150105.

It is not a weakly prime, because it can be changed into another prime (310150123) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 155075060 + 155075061.

It is an arithmetic number, because the mean of its divisors is an integer number (155075061).

Almost surely, 2310150121 is an apocalyptic number.

It is an amenable number.

310150121 is a deficient number, since it is larger than the sum of its proper divisors (1).

310150121 is an equidigital number, since it uses as much as digits as its factorization.

310150121 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 30, while the sum is 14.

The square root of 310150121 is about 17611.0794955903. The cubic root of 310150121 is about 676.8991753047.

The spelling of 310150121 in words is "three hundred ten million, one hundred fifty thousand, one hundred twenty-one".