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331012100102131 = 71051423791061677
BaseRepresentation
bin100101101000011011100001…
…0101001001001011111110011
31121102000110002101112122111001
41023100313002221021133303
5321341300240111232011
63132000505353102431
7126502556263121110
oct11320670251113763
91542013071478431
10331012100102131
119651a497049278
12311604426b7a17
13112913cb922536
145ba50dd263907
1528405b72e47c1
hex12d0dc2a497f3

331012100102131 has 16 divisors (see below), whose sum is σ = 378668777194240. Its totient is φ = 283447744826400.

The previous prime is 331012100102029. The next prime is 331012100102171. The reversal of 331012100102131 is 131201001210133.

It is not a de Polignac number, because 331012100102131 - 215 = 331012100069363 is a prime.

It is a super-2 number, since 2×3310121001021312 (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 331012100102099 and 331012100102108.

It is not an unprimeable number, because it can be changed into a prime (331012100102171) 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, 311251465 + ... + 312313141.

It is an arithmetic number, because the mean of its divisors is an integer number (23666798574640).

Almost surely, 2331012100102131 is an apocalyptic number.

331012100102131 is a deficient number, since it is larger than the sum of its proper divisors (47656677092109).

331012100102131 is a wasteful number, since it uses less digits than its factorization.

331012100102131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1105114.

The product of its (nonzero) digits is 108, while the sum is 19.

Adding to 331012100102131 its reverse (131201001210133), we get a palindrome (462213101312264).

The spelling of 331012100102131 in words is "three hundred thirty-one trillion, twelve billion, one hundred million, one hundred two thousand, one hundred thirty-one".

Divisors: 1 7 1051 7357 42379 296653 1061677 7431739 44540329 311782303 1115822527 7810757689 44992809583 314949667081 47287442871733 331012100102131