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330230731 is a prime number
BaseRepresentation
bin10011101011101…
…110101111001011
3212000101110101211
4103223232233023
51134014340411
652433553551
711116625545
oct2353565713
9760343354
10330230731
1115a452266
12927158b7
1353553acc
1431c02695
151ded1221
hex13aeebcb

330230731 has 2 divisors, whose sum is σ = 330230732. Its totient is φ = 330230730.

The previous prime is 330230713. The next prime is 330230767. The reversal of 330230731 is 137032033.

Together with previous prime (330230713) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 330230731 - 213 = 330222539 is a prime.

It is a super-2 number, since 2×3302307312 = 218104671393588722, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (330230231) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165115365 + 165115366.

It is an arithmetic number, because the mean of its divisors is an integer number (165115366).

Almost surely, 2330230731 is an apocalyptic number.

330230731 is a deficient number, since it is larger than the sum of its proper divisors (1).

330230731 is an equidigital number, since it uses as much as digits as its factorization.

330230731 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1134, while the sum is 22.

The square root of 330230731 is about 18172.2516766635. The cubic root of 330230731 is about 691.2033409205.

Adding to 330230731 its reverse (137032033), we get a palindrome (467262764).

The spelling of 330230731 in words is "three hundred thirty million, two hundred thirty thousand, seven hundred thirty-one".