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102331100221 = 7118112378263
BaseRepresentation
bin101111101001101101…
…0001010110000111101
3100210010122000111120221
41133103122022300331
53134033230201341
6115002114341341
710251601000030
oct1372332126075
9323118014527
10102331100221
113a442269209
12179ba58a851
13985a75359c
144d4a8a7017
1529ddc00ed1
hex17d368ac3d

102331100221 has 8 divisors (see below), whose sum is σ = 117048864384. Its totient is φ = 87638094960.

The previous prime is 102331100219. The next prime is 102331100231. The reversal of 102331100221 is 122001133201.

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

It is a cyclic number.

It is not a de Polignac number, because 102331100221 - 21 = 102331100219 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 102331100195 and 102331100204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102331100231) 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, 6180865 + ... + 6197398.

It is an arithmetic number, because the mean of its divisors is an integer number (14631108048).

Almost surely, 2102331100221 is an apocalyptic number.

It is an amenable number.

102331100221 is a deficient number, since it is larger than the sum of its proper divisors (14717764163).

102331100221 is a wasteful number, since it uses less digits than its factorization.

102331100221 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12379451.

The product of its (nonzero) digits is 72, while the sum is 16.

Adding to 102331100221 its reverse (122001133201), we get a palindrome (224332233422).

The spelling of 102331100221 in words is "one hundred two billion, three hundred thirty-one million, one hundred thousand, two hundred twenty-one".

Divisors: 1 7 1181 8267 12378263 86647841 14618728603 102331100221