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120331002321 = 3213370111369
BaseRepresentation
bin111000000010001001…
…0010110000111010001
3102111121002000021022200
41300010102112013101
53432414214033241
6131140154553413
711456625433515
oct1600422260721
9374532007280
10120331002321
1147039794062
121b3a2738869
13b46894b42a
145b772aa145
1531e408a4b6
hex1c044961d1

120331002321 has 6 divisors (see below), whose sum is σ = 173811447810. Its totient is φ = 80220668208.

The previous prime is 120331002271. The next prime is 120331002343. The reversal of 120331002321 is 123200133021.

120331002321 is a `hidden beast` number, since 12 + 0 + 331 + 0 + 0 + 2 + 321 = 666.

It can be written as a sum of positive squares in only one way, i.e., 120259836225 + 71166096 = 346785^2 + 8436^2 .

It is not a de Polignac number, because 120331002321 - 27 = 120331002193 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 120331002294 and 120331002303.

It is not an unprimeable number, because it can be changed into a prime (120331001321) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 6685055676 + ... + 6685055693.

It is an arithmetic number, because the mean of its divisors is an integer number (28968574635).

Almost surely, 2120331002321 is an apocalyptic number.

It is an amenable number.

120331002321 is a deficient number, since it is larger than the sum of its proper divisors (53480445489).

120331002321 is a wasteful number, since it uses less digits than its factorization.

120331002321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13370111375 (or 13370111372 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 120331002321 its reverse (123200133021), we get a palindrome (243531135342).

The spelling of 120331002321 in words is "one hundred twenty billion, three hundred thirty-one million, two thousand, three hundred twenty-one".

Divisors: 1 3 9 13370111369 40110334107 120331002321