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30830523212131 is a prime number
BaseRepresentation
bin1110000001010010010100…
…11000100110000101100011
311001011100222011122022221221
413000221022120212011203
513020111402420242011
6145323202525555511
76331301051251666
oct700511230460543
9131140864568857
1030830523212131
11990717366a8a5
12355b1b3a15b97
1314283c8ca2296
147882c34356dd
15386e8cae5971
hex1c0a4a626163

30830523212131 has 2 divisors, whose sum is σ = 30830523212132. Its totient is φ = 30830523212130.

The previous prime is 30830523212081. The next prime is 30830523212197. The reversal of 30830523212131 is 13121232503803.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30830523212131 is a prime.

It is a super-2 number, since 2×308305232121312 (a number of 28 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30830523212231) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15415261606065 + 15415261606066.

It is an arithmetic number, because the mean of its divisors is an integer number (15415261606066).

Almost surely, 230830523212131 is an apocalyptic number.

30830523212131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30830523212131 is an equidigital number, since it uses as much as digits as its factorization.

30830523212131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 34.

Adding to 30830523212131 its reverse (13121232503803), we get a palindrome (43951755715934).

The spelling of 30830523212131 in words is "thirty trillion, eight hundred thirty billion, five hundred twenty-three million, two hundred twelve thousand, one hundred thirty-one".