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30223111031 is a prime number
BaseRepresentation
bin11100001001011100…
…000001001101110111
32220000022010010011122
4130021130001031313
5443344104023111
621515002054155
72116646130221
oct341134011567
986008103148
1030223111031
11118aa181713
125a357aa35b
132b08681869
141669d25411
15bbd4eacdb
hex709701377

30223111031 has 2 divisors, whose sum is σ = 30223111032. Its totient is φ = 30223111030.

The previous prime is 30223111019. The next prime is 30223111049. The reversal of 30223111031 is 13011132203.

It is a weak prime.

It is an emirp because it is prime and its reverse (13011132203) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 30223111031 - 222 = 30218916727 is a prime.

It is a super-2 number, since 2×302231110312 (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (30223111081) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15111555515 + 15111555516.

It is an arithmetic number, because the mean of its divisors is an integer number (15111555516).

Almost surely, 230223111031 is an apocalyptic number.

30223111031 is a deficient number, since it is larger than the sum of its proper divisors (1).

30223111031 is an equidigital number, since it uses as much as digits as its factorization.

30223111031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 30223111031 its reverse (13011132203), we get a palindrome (43234243234).

The spelling of 30223111031 in words is "thirty billion, two hundred twenty-three million, one hundred eleven thousand, thirty-one".