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102303222231 = 374871582011
BaseRepresentation
bin101111101000110111…
…1110100100111010111
3100210001200120011011210
41133101233310213113
53134004111102411
6114555241032503
710251112020060
oct1372157644727
9323050504153
10102303222231
113a428558051
12179b1185733
139854a42432
144d46ccb567
1529db545ca6
hex17d1bf49d7

102303222231 has 8 divisors (see below), whose sum is σ = 155890624384. Its totient is φ = 58458984120.

The previous prime is 102303222211. The next prime is 102303222247. The reversal of 102303222231 is 132222303201.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 102303222231 - 219 = 102302697943 is a prime.

It is a super-2 number, since 2×1023032222312 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 4871582011 = 102303222231 / (1 + 0 + 2 + 3 + 0 + 3 + 2 + 2 + 2 + 2 + 3 + 1).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102303222198 and 102303222207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102303222211) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2435790985 + ... + 2435791026.

It is an arithmetic number, because the mean of its divisors is an integer number (19486328048).

Almost surely, 2102303222231 is an apocalyptic number.

102303222231 is a deficient number, since it is larger than the sum of its proper divisors (53587402153).

102303222231 is an equidigital number, since it uses as much as digits as its factorization.

102303222231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4871582021.

The product of its (nonzero) digits is 864, while the sum is 21.

Adding to 102303222231 its reverse (132222303201), we get a palindrome (234525525432).

The spelling of 102303222231 in words is "one hundred two billion, three hundred three million, two hundred twenty-two thousand, two hundred thirty-one".

Divisors: 1 3 7 21 4871582011 14614746033 34101074077 102303222231