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102302312213 is a prime number
BaseRepresentation
bin101111101000110110…
…0010110011100010101
3100210001121211220212102
41133101230112130111
53134003342442323
6114555205331445
710251101210003
oct1372154263425
9323047756772
10102302312213
113a427a96372
12179b0a06b85
1398547b416a
144d46b31a73
1529db416328
hex17d1b16715

102302312213 has 2 divisors, whose sum is σ = 102302312214. Its totient is φ = 102302312212.

The previous prime is 102302312179. The next prime is 102302312251. The reversal of 102302312213 is 312213203201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72726223684 + 29576088529 = 269678^2 + 171977^2 .

It is an emirp because it is prime and its reverse (312213203201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 102302312213 - 28 = 102302311957 is a prime.

It is a super-2 number, since 2×1023023122132 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102302312113) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51151156106 + 51151156107.

It is an arithmetic number, because the mean of its divisors is an integer number (51151156107).

Almost surely, 2102302312213 is an apocalyptic number.

It is an amenable number.

102302312213 is a deficient number, since it is larger than the sum of its proper divisors (1).

102302312213 is an equidigital number, since it uses as much as digits as its factorization.

102302312213 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 102302312213 its reverse (312213203201), we get a palindrome (414515515414).

The spelling of 102302312213 in words is "one hundred two billion, three hundred two million, three hundred twelve thousand, two hundred thirteen".