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30031301 is a prime number
BaseRepresentation
bin111001010001…
…1110111000101
32002111202012102
41302203313011
530142000201
62551401445
7513155546
oct162436705
962452172
1030031301
1115a51a63
12a083285
1362b6301
143dba4cd
15298326b
hex1ca3dc5

30031301 has 2 divisors, whose sum is σ = 30031302. Its totient is φ = 30031300.

The previous prime is 30031277. The next prime is 30031303. The reversal of 30031301 is 10313003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 26884225 + 3147076 = 5185^2 + 1774^2 .

It is a cyclic number.

It is not a de Polignac number, because 30031301 - 26 = 30031237 is a prime.

It is a Sophie Germain prime.

Together with 30031303, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30031303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15015650 + 15015651.

It is an arithmetic number, because the mean of its divisors is an integer number (15015651).

Almost surely, 230031301 is an apocalyptic number.

It is an amenable number.

30031301 is a deficient number, since it is larger than the sum of its proper divisors (1).

30031301 is an equidigital number, since it uses as much as digits as its factorization.

30031301 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27, while the sum is 11.

The square root of 30031301 is about 5480.0822074126. The cubic root of 30031301 is about 310.8312791270.

Adding to 30031301 its reverse (10313003), we get a palindrome (40344304).

The spelling of 30031301 in words is "thirty million, thirty-one thousand, three hundred one".