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102030232231 is a prime number
BaseRepresentation
bin101111100000101111…
…0011100101010100111
3100202100122212211022001
41133001132130222213
53132424214412411
6114512205550131
710241255443624
oct1370136345247
9322318784261
10102030232231
113a2a8451684
1217935875347
1398103106a5
144d1c94934b
1529c25bedc1
hex17c179caa7

102030232231 has 2 divisors, whose sum is σ = 102030232232. Its totient is φ = 102030232230.

The previous prime is 102030232223. The next prime is 102030232243. The reversal of 102030232231 is 132232030201.

It is a weak prime.

It is an emirp because it is prime and its reverse (132232030201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102030232231 - 23 = 102030232223 is a prime.

It is a super-2 number, since 2×1020302322312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102030232199 and 102030232208.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102030232831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51015116115 + 51015116116.

It is an arithmetic number, because the mean of its divisors is an integer number (51015116116).

Almost surely, 2102030232231 is an apocalyptic number.

102030232231 is a deficient number, since it is larger than the sum of its proper divisors (1).

102030232231 is an equidigital number, since it uses as much as digits as its factorization.

102030232231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 19.

Adding to 102030232231 its reverse (132232030201), we get a palindrome (234262262432).

The spelling of 102030232231 in words is "one hundred two billion, thirty million, two hundred thirty-two thousand, two hundred thirty-one".