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102234221231 = 412493517591
BaseRepresentation
bin101111100110110100…
…0100110101010101111
3100202212212201112121012
41133031220212222233
53133333430034411
6114544334055435
710246313354012
oct1371550465257
9322785645535
10102234221231
113a3a260962a
121799204a57b
13984366353c
144d3ba89379
1529d546618b
hex17cda26aaf

102234221231 has 4 divisors (see below), whose sum is σ = 104727738864. Its totient is φ = 99740703600.

The previous prime is 102234221227. The next prime is 102234221251. The reversal of 102234221231 is 132122432201.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 102234221231 - 22 = 102234221227 is a prime.

It is a super-2 number, since 2×1022342212312 (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102234221197 and 102234221206.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102234221251) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1246758755 + ... + 1246758836.

It is an arithmetic number, because the mean of its divisors is an integer number (26181934716).

Almost surely, 2102234221231 is an apocalyptic number.

102234221231 is a deficient number, since it is larger than the sum of its proper divisors (2493517633).

102234221231 is an equidigital number, since it uses as much as digits as its factorization.

102234221231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2493517632.

The product of its (nonzero) digits is 1152, while the sum is 23.

Adding to 102234221231 its reverse (132122432201), we get a palindrome (234356653432).

The spelling of 102234221231 in words is "one hundred two billion, two hundred thirty-four million, two hundred twenty-one thousand, two hundred thirty-one".

Divisors: 1 41 2493517591 102234221231