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330131102302021 = 2693533347368573
BaseRepresentation
bin100101100010000001010001…
…1000101001111111101000101
31121021220020002010202100001211
41023010002203011033331011
5321232331444142131041
63130044045032451421
7126352120320305206
oct11304024305177505
91537806063670054
10330131102302021
119620a8a5827509
1231039752249b71
13112292c9bc42b7
145b746058295ad
152827703139481
hex12c40a314ff45

330131102302021 has 8 divisors (see below), whose sum is σ = 331452145939320. Its totient is φ = 328810753409472.

The previous prime is 330131102302003. The next prime is 330131102302031. The reversal of 330131102302021 is 120203201131033.

It can be written as a sum of positive squares in 4 ways, for example, as 22066788100900 + 308064314201121 = 4697530^2 + 17551761^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 330131102302021 - 217 = 330131102170949 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 330131102301983 and 330131102302001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (330131102302031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 172733910 + ... + 174634663.

It is an arithmetic number, because the mean of its divisors is an integer number (41431518242415).

Almost surely, 2330131102302021 is an apocalyptic number.

It is an amenable number.

330131102302021 is a deficient number, since it is larger than the sum of its proper divisors (1321043637299).

330131102302021 is a wasteful number, since it uses less digits than its factorization.

330131102302021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347372375.

The product of its (nonzero) digits is 648, while the sum is 22.

Adding to 330131102302021 its reverse (120203201131033), we get a palindrome (450334303433054).

The spelling of 330131102302021 in words is "three hundred thirty trillion, one hundred thirty-one billion, one hundred two million, three hundred two thousand, twenty-one".

Divisors: 1 269 3533 950377 347368573 93442146137 1227253168409 330131102302021