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331100033231 = 11217160962583
BaseRepresentation
bin1001101000101110001…
…10011001000011001111
31011122121221010102000202
410310113012121003033
520411043102030411
6412034422444115
732630652563222
oct4642706310317
91148557112022
10331100033231
11118467378600
125420489363b
13252b8086836
141204d6d75b9
15892cb7883b
hex4d171990cf

331100033231 has 12 divisors (see below), whose sum is σ = 385344426096. Its totient is φ = 283294144320.

The previous prime is 331100033227. The next prime is 331100033269. The reversal of 331100033231 is 132330001133.

It is not a de Polignac number, because 331100033231 - 22 = 331100033227 is a prime.

It is a super-2 number, since 2×3311000332312 (a number of 24 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 (331100033281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 80479235 + ... + 80483348.

It is an arithmetic number, because the mean of its divisors is an integer number (32112035508).

Almost surely, 2331100033231 is an apocalyptic number.

331100033231 is a deficient number, since it is larger than the sum of its proper divisors (54244392865).

331100033231 is a wasteful number, since it uses less digits than its factorization.

331100033231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160962622 (or 160962611 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 20.

Adding to 331100033231 its reverse (132330001133), we get a palindrome (463430034364).

The spelling of 331100033231 in words is "three hundred thirty-one billion, one hundred million, thirty-three thousand, two hundred thirty-one".

Divisors: 1 11 17 121 187 2057 160962583 1770588413 2736363911 19476472543 30100003021 331100033231