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231003112131000 = 233253112333364769
BaseRepresentation
bin110100100001100010011010…
…011100001100100110111000
31010021220200102001202212200200
4310201202122130030212320
5220234223333201143000
62135145210435002200
766441265315314216
oct6441423234144670
91107820361685620
10231003112131000
1167671962617390
1221aa9b4aa39360
139bb866667b4a1
14410887888bcb6
151ba8dc3922500
hexd2189a70c9b8

231003112131000 has 192 divisors, whose sum is σ = 851771475640800. Its totient is φ = 56000754432000.

The previous prime is 231003112130941. The next prime is 231003112131173. The reversal of 231003112131000 is 131211300132.

231003112131000 is a `hidden beast` number, since 2 + 310 + 0 + 31 + 12 + 1 + 310 + 0 + 0 = 666.

It is a super-2 number, since 2×2310031121310002 (a number of 30 digits) contains 22 as substring.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1166583385 + ... + 1166781384.

Almost surely, 2231003112131000 is an apocalyptic number.

231003112131000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

231003112131000 is an abundant number, since it is smaller than the sum of its proper divisors (620768363509800).

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

231003112131000 is a wasteful number, since it uses less digits than its factorization.

231003112131000 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2333364807 (or 2333364790 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 231003112131000 its reverse (131211300132), we get a palindrome (231134323431132).

The spelling of 231003112131000 in words is "two hundred thirty-one trillion, three billion, one hundred twelve million, one hundred thirty-one thousand".