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102220131331 is a prime number
BaseRepresentation
bin101111100110011001…
…0110110110000000011
3100202211220012200220001
41133030302312300003
53133321323200311
6114543112100431
710246052531413
oct1371462666003
9322756180801
10102220131331
113a39566568a
1217989394717
13984076c216
144d39c5c643
1529d40d14c1
hex17cccb6c03

102220131331 has 2 divisors, whose sum is σ = 102220131332. Its totient is φ = 102220131330.

The previous prime is 102220131313. The next prime is 102220131413. The reversal of 102220131331 is 133131022201.

Together with previous prime (102220131313) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 102220131331 - 29 = 102220130819 is a prime.

It is a super-2 number, since 2×1022201313312 (a number of 23 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 102220131299 and 102220131308.

It is not a weakly prime, because it can be changed into another prime (102220135331) 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, 51110065665 + 51110065666.

It is an arithmetic number, because the mean of its divisors is an integer number (51110065666).

Almost surely, 2102220131331 is an apocalyptic number.

102220131331 is a deficient number, since it is larger than the sum of its proper divisors (1).

102220131331 is an equidigital number, since it uses as much as digits as its factorization.

102220131331 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 216, while the sum is 19.

Adding to 102220131331 its reverse (133131022201), we get a palindrome (235351153532).

The spelling of 102220131331 in words is "one hundred two billion, two hundred twenty million, one hundred thirty-one thousand, three hundred thirty-one".