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30660313 is a prime number
BaseRepresentation
bin111010011110…
…1011011011001
32010200201001011
41310331123121
530322112223
63013053521
7521415445
oct164753331
963621034
1030660313
1116341602
12a3272a1
1364766c8
144101825
152a5980d
hex1d3d6d9

30660313 has 2 divisors, whose sum is σ = 30660314. Its totient is φ = 30660312.

The previous prime is 30660307. The next prime is 30660347. The reversal of 30660313 is 31306603.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28217344 + 2442969 = 5312^2 + 1563^2 .

It is a cyclic number.

It is not a de Polignac number, because 30660313 - 213 = 30652121 is a prime.

It is not a weakly prime, because it can be changed into another prime (30660713) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15330156 + 15330157.

It is an arithmetic number, because the mean of its divisors is an integer number (15330157).

Almost surely, 230660313 is an apocalyptic number.

It is an amenable number.

30660313 is a deficient number, since it is larger than the sum of its proper divisors (1).

30660313 is an equidigital number, since it uses as much as digits as its factorization.

30660313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 972, while the sum is 22.

The square root of 30660313 is about 5537.1755435420. The cubic root of 30660313 is about 312.9864441046.

Adding to 30660313 its reverse (31306603), we get a palindrome (61966916).

The spelling of 30660313 in words is "thirty million, six hundred sixty thousand, three hundred thirteen".