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102110420131 is a prime number
BaseRepresentation
bin101111100011001000…
…0010101110010100011
3100202120020202210102021
41133012100111302203
53133110231421011
6114524152402311
710243251151606
oct1370620256243
9322506683367
10102110420131
113a339740a75
12179586a6397
139823b08455
144d2946033d
1529c965e471
hex17c6415ca3

102110420131 has 2 divisors, whose sum is σ = 102110420132. Its totient is φ = 102110420130.

The previous prime is 102110420081. The next prime is 102110420147. The reversal of 102110420131 is 131024011201.

It is an a-pointer prime, because the next prime (102110420147) can be obtained adding 102110420131 to its sum of digits (16).

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 102110420131 - 225 = 102076865699 is a prime.

It is a super-2 number, since 2×1021104201312 (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (102110420171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51055210065 + 51055210066.

It is an arithmetic number, because the mean of its divisors is an integer number (51055210066).

Almost surely, 2102110420131 is an apocalyptic number.

102110420131 is a deficient number, since it is larger than the sum of its proper divisors (1).

102110420131 is an equidigital number, since it uses as much as digits as its factorization.

102110420131 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 48, while the sum is 16.

Adding to 102110420131 its reverse (131024011201), we get a palindrome (233134431332).

The spelling of 102110420131 in words is "one hundred two billion, one hundred ten million, four hundred twenty thousand, one hundred thirty-one".