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131303121000312 = 2337897769272869
BaseRepresentation
bin11101110110101101100011…
…111000101001011101111000
3122012220110022021001222120010
4131312231203320221131320
5114202232242434002222
61143131453203301520
736441223512354342
oct3566554370513570
9565813267058503
10131303121000312
1138923382815118
121288751167a8a0
135835aa614b171
14245d16804a292
15102a7674b480c
hex776b63e29778

131303121000312 has 32 divisors (see below), whose sum is σ = 328261963611600. Its totient is φ = 43767152185344.

The previous prime is 131303121000241. The next prime is 131303121000341. The reversal of 131303121000312 is 213000121303131.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32740987 + ... + 36531882.

Almost surely, 2131303121000312 is an apocalyptic number.

131303121000312 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

131303121000312 is an abundant number, since it is smaller than the sum of its proper divisors (196958842611288).

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

131303121000312 is a wasteful number, since it uses less digits than its factorization.

131303121000312 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69351855 (or 69351851 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 131303121000312 its reverse (213000121303131), we get a palindrome (344303242303443).

The spelling of 131303121000312 in words is "one hundred thirty-one trillion, three hundred three billion, one hundred twenty-one million, three hundred twelve", and thus it is an aban number.

Divisors: 1 2 3 4 6 8 12 24 78977 157954 236931 315908 473862 631816 947724 1895448 69272869 138545738 207818607 277091476 415637214 554182952 831274428 1662548856 5470963375013 10941926750026 16412890125039 21883853500052 32825780250078 43767707000104 65651560500156 131303121000312