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102131301222 = 2341243350707
BaseRepresentation
bin101111100011101111…
…1111111101101100110
3100202121201001122220000
41133013133333231212
53133131103114342
6114530220122130
710243623510456
oct1370737775546
9322551048800
10102131301222
113a34a503275
1217963696346
139828239922
144d2c137d66
1529cb3d644c
hex17c77ffb66

102131301222 has 40 divisors (see below), whose sum is σ = 228872687736. Its totient is φ = 34040357568.

The previous prime is 102131301221. The next prime is 102131301277. The reversal of 102131301222 is 222103131201.

102131301222 is a `hidden beast` number, since 10 + 2 + 131 + 301 + 222 = 666.

102131301222 is digitally balanced in base 7, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 102131301195 and 102131301204.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (102131301221) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1988793 + ... + 2039499.

Almost surely, 2102131301222 is an apocalyptic number.

102131301222 is an abundant number, since it is smaller than the sum of its proper divisors (126741386514).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

102131301222 is a wasteful number, since it uses less digits than its factorization.

102131301222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63154 (or 63145 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

Adding to 102131301222 its reverse (222103131201), we get a palindrome (324234432423).

The spelling of 102131301222 in words is "one hundred two billion, one hundred thirty-one million, three hundred one thousand, two hundred twenty-two".

Divisors: 1 2 3 6 9 18 27 54 81 162 12433 24866 37299 50707 74598 101414 111897 152121 223794 304242 335691 456363 671382 912726 1007073 1369089 2014146 2738178 4107267 8214534 630440131 1260880262 1891320393 3782640786 5673961179 11347922358 17021883537 34043767074 51065650611 102131301222