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20031112310033 = 1119793049301793
BaseRepresentation
bin1001000110111110110110…
…10101010110110100010001
32121220221210122202121112202
410203133123111112310101
510111142204222410113
6110334055502532545
74135125431214056
oct443373325266421
977827718677482
1020031112310033
116423168764060
1222b61b6b97155
13b23c05c49946
144d37222cb02d
1524b0c6478258
hex1237db556d11

20031112310033 has 16 divisors (see below), whose sum is σ = 21870407592000. Its totient is φ = 18194870676480.

The previous prime is 20031112309997. The next prime is 20031112310047. The reversal of 20031112310033 is 33001321113002.

It is a cyclic number.

It is not a de Polignac number, because 20031112310033 - 222 = 20031108115729 is a prime.

It is a super-2 number, since 2×200311123100332 (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 20031112309987 and 20031112310014.

It is not an unprimeable number, because it can be changed into a prime (20031112310093) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66222785 + ... + 66524577.

It is an arithmetic number, because the mean of its divisors is an integer number (1366900474500).

Almost surely, 220031112310033 is an apocalyptic number.

It is an amenable number.

20031112310033 is a deficient number, since it is larger than the sum of its proper divisors (1839295281967).

20031112310033 is a wasteful number, since it uses less digits than its factorization.

20031112310033 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 306832.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 20031112310033 its reverse (33001321113002), we get a palindrome (53032433423035).

The spelling of 20031112310033 in words is "twenty trillion, thirty-one billion, one hundred twelve million, three hundred ten thousand, thirty-three".

Divisors: 1 11 1979 3049 21769 33539 301793 3319723 6033971 66373681 597248347 920166857 6569731817 10121835427 1821010210003 20031112310033