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331012222312231 = 61199241653173273
BaseRepresentation
bin100101101000011011100100…
…1111011010101111100100111
31121102000110101220111120020001
41023100313021323111330213
5321341301012402442411
63132000525440322131
7126502562305645555
oct11320671173257447
91542013356446201
10331012222312231
119651a54a02a559
1231160477613347
131129141b0413c5
145ba5111596bd5
1528405c2dd4dc1
hex12d0dc9ed5f27

331012222312231 has 32 divisors (see below), whose sum is σ = 340054244956800. Its totient is φ = 322109598412800.

The previous prime is 331012222312217. The next prime is 331012222312241. The reversal of 331012222312231 is 132213222210133.

It is a cyclic number.

It is not a de Polignac number, because 331012222312231 - 211 = 331012222310183 is a prime.

It is a super-2 number, since 2×3310122223122312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 331012222312231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (331012222312241) 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, 1910264211 + ... + 1910437483.

It is an arithmetic number, because the mean of its divisors is an integer number (10626695154900).

Almost surely, 2331012222312231 is an apocalyptic number.

331012222312231 is a deficient number, since it is larger than the sum of its proper divisors (9042022644569).

331012222312231 is a wasteful number, since it uses less digits than its factorization.

331012222312231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 174427.

The product of its (nonzero) digits is 5184, while the sum is 28.

Adding to 331012222312231 its reverse (132213222210133), we get a palindrome (463225444522364).

The spelling of 331012222312231 in words is "three hundred thirty-one trillion, twelve billion, two hundred twenty-two million, three hundred twelve thousand, two hundred thirty-one".

Divisors: 1 61 199 241 653 12139 14701 39833 47959 129947 157373 173273 2925499 7926767 9599753 10569653 31317227 34481327 41758793 113147269 1910350847 2103360947 2547286373 6901983409 8309999807 22516306531 27268491829 506909988227 1373494698391 1663378001569 5426429873971 331012222312231