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102323100231 = 351139299743
BaseRepresentation
bin101111101001011101…
…1101001101001000111
3100210010001222001200000
41133102323221221013
53134024203201411
6115001231052343
710251443000322
oct1372273515107
9323101861600
10102323100231
113a4387a4750
12179b79710b3
139858bb2171
144d497c37b9
1529dd170956
hex17d2ee9a47

102323100231 has 48 divisors (see below), whose sum is σ = 167267842560. Its totient is φ = 61991853120.

The previous prime is 102323100223. The next prime is 102323100247. The reversal of 102323100231 is 132001323201.

102323100231 is a `hidden beast` number, since 10 + 2 + 323 + 100 + 231 = 666.

It is not a de Polignac number, because 102323100231 - 23 = 102323100223 is a prime.

It is a super-2 number, since 2×1023231002312 (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102323100221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 10497346 + ... + 10507088.

It is an arithmetic number, because the mean of its divisors is an integer number (3484746720).

Almost surely, 2102323100231 is an apocalyptic number.

102323100231 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

102323100231 is a deficient number, since it is larger than the sum of its proper divisors (64944742329).

102323100231 is an equidigital number, since it uses as much as digits as its factorization.

102323100231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13698 (or 13686 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 102323100231 its reverse (132001323201), we get a palindrome (234324423432).

The spelling of 102323100231 in words is "one hundred two billion, three hundred twenty-three million, one hundred thousand, two hundred thirty-one".

Divisors: 1 3 9 11 27 33 81 99 243 297 891 2673 3929 9743 11787 29229 35361 43219 87687 106083 107173 129657 263061 318249 321519 388971 789183 954747 964557 1166913 2367549 2893671 3500739 8681013 10502217 26043039 38280247 114840741 344522223 421082717 1033566669 1263248151 3100700007 3789744453 9302100021 11369233359 34107700077 102323100231