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30142011131 is a prime number
BaseRepresentation
bin11100000100100110…
…101001011011111011
32212210122111211000122
4130010212221123323
5443212323324011
621502543523455
72114642603321
oct340446513373
985718454018
1030142011131
111186841a101
125a125b958b
132ac492795b
14165d253d11
15bb632b3db
hex7049a96fb

30142011131 has 2 divisors, whose sum is σ = 30142011132. Its totient is φ = 30142011130.

The previous prime is 30142011101. The next prime is 30142011167. The reversal of 30142011131 is 13111024103.

It is a weak prime.

It is an emirp because it is prime and its reverse (13111024103) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-30142011131 is a prime.

It is a super-2 number, since 2×301420111312 (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (30142011101) 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, 15071005565 + 15071005566.

It is an arithmetic number, because the mean of its divisors is an integer number (15071005566).

Almost surely, 230142011131 is an apocalyptic number.

30142011131 is a deficient number, since it is larger than the sum of its proper divisors (1).

30142011131 is an equidigital number, since it uses as much as digits as its factorization.

30142011131 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 30142011131 its reverse (13111024103), we get a palindrome (43253035234).

The spelling of 30142011131 in words is "thirty billion, one hundred forty-two million, eleven thousand, one hundred thirty-one".