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102122231231 is a prime number
BaseRepresentation
bin101111100011011110…
…1011001010110111111
3100202121001222212012102
41133012331121112333
53133121242344411
6114525253455315
710243453433366
oct1370675312677
9322531885172
10102122231231
113a345378909
121796064153b
1398263b2477
144d2ac567dd
1529ca6e3d3b
hex17c6f595bf

102122231231 has 2 divisors, whose sum is σ = 102122231232. Its totient is φ = 102122231230.

The previous prime is 102122231201. The next prime is 102122231291. The reversal of 102122231231 is 132132221201.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-102122231231 is a prime.

It is a super-2 number, since 2×1021222312312 (a number of 23 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (102122231201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 51061115615 + 51061115616.

It is an arithmetic number, because the mean of its divisors is an integer number (51061115616).

Almost surely, 2102122231231 is an apocalyptic number.

102122231231 is a deficient number, since it is larger than the sum of its proper divisors (1).

102122231231 is an equidigital number, since it uses as much as digits as its factorization.

102122231231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 288, while the sum is 20.

Adding to 102122231231 its reverse (132132221201), we get a palindrome (234254452432).

The spelling of 102122231231 in words is "one hundred two billion, one hundred twenty-two million, two hundred thirty-one thousand, two hundred thirty-one".