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2331323220330 = 2325131992583949
BaseRepresentation
bin100001111011001101101…
…100010100000101101010
322020212112220221100010200
4201323031230110011222
5301144022221022310
64542554535253030
7330301235260446
oct41731554240552
98225486840120
102331323220330
118197881a9135
123179ab51a176
1313bac5933180
1480b9da83826
154099a5409c0
hex21ecdb1416a

2331323220330 has 48 divisors (see below), whose sum is σ = 6527705020200. Its totient is φ = 573864177024.

The previous prime is 2331323220329. The next prime is 2331323220403. The reversal of 2331323220330 is 330223231332.

2331323220330 is a `hidden beast` number, since 2 + 3 + 3 + 1 + 3 + 2 + 322 + 0 + 330 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 586221453801 + 1745101766529 = 765651^2 + 1321023^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2331323220294 and 2331323220303.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 996290805 + ... + 996293144.

Almost surely, 22331323220330 is an apocalyptic number.

2331323220330 is an abundant number, since it is smaller than the sum of its proper divisors (4196381799870).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2331323220330 is a wasteful number, since it uses less digits than its factorization.

2331323220330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1992583975 (or 1992583972 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 27.

Adding to 2331323220330 its reverse (330223231332), we get a palindrome (2661546451662).

The spelling of 2331323220330 in words is "two trillion, three hundred thirty-one billion, three hundred twenty-three million, two hundred twenty thousand, three hundred thirty".

Divisors: 1 2 3 5 6 9 10 13 15 18 26 30 39 45 65 78 90 117 130 195 234 390 585 1170 1992583949 3985167898 5977751847 9962919745 11955503694 17933255541 19925839490 25903591337 29888759235 35866511082 51807182674 59777518470 77710774011 89666277705 129517956685 155421548022 179332555410 233132322033 259035913370 388553870055 466264644066 777107740110 1165661610165 2331323220330