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203311131102101 = 11194125919157219
BaseRepresentation
bin101110001110100100001111…
…101111111000101110010101
3222122212100120021221221021102
4232032210033233320232111
5203122022144030231401
62000223502204155445
760552513234311051
oct5616441757705625
9878770507857242
10203311131102101
1159865848219060
121a977086538b85
13895a207a58319
14382c4500d8c61
1518788c82cb56b
hexb8e90fbf8b95

203311131102101 has 32 divisors (see below), whose sum is σ = 239253983539200. Its totient is φ = 170763801264000.

The previous prime is 203311131102061. The next prime is 203311131102103. The reversal of 203311131102101 is 101201131113302.

It is a cyclic number.

It is not a de Polignac number, because 203311131102101 - 238 = 203036253195157 is a prime.

It is a super-2 number, since 2×2033111311021012 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (203311131102103) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17623670 + ... + 26780888.

It is an arithmetic number, because the mean of its divisors is an integer number (7476686985600).

Almost surely, 2203311131102101 is an apocalyptic number.

It is an amenable number.

203311131102101 is a deficient number, since it is larger than the sum of its proper divisors (35942852437099).

203311131102101 is a wasteful number, since it uses less digits than its factorization.

203311131102101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9159881.

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 203311131102101 its reverse (101201131113302), we get a palindrome (304512262215403).

The spelling of 203311131102101 in words is "two hundred three trillion, three hundred eleven billion, one hundred thirty-one million, one hundred two thousand, one hundred one".

Divisors: 1 11 19 41 209 451 779 2591 8569 28501 49229 106231 541519 1168541 2018389 9157219 22202279 100729409 173987161 375445979 1913858771 4129905769 7133473601 23726354429 78468209611 260989898719 450800734151 972780531589 4958808075661 10700585847479 18482830100191 203311131102101