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120321331 = 1318774931
BaseRepresentation
bin1110010101111…
…11010100110011
322101101221211121
413022333110303
5221300240311
615534523111
72660500024
oct712772463
9271357747
10120321331
1161a11219
1234366497
131bc0a270
1411da0c4b
15a86ab71
hex72bf533

120321331 has 8 divisors (see below), whose sum is σ = 129672144. Its totient is φ = 110984160.

The previous prime is 120321307. The next prime is 120321337. The reversal of 120321331 is 133123021.

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 120321331 - 221 = 118224179 is a prime.

It is a super-2 number, since 2×1203213312 = 28954445387223122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (120321337) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21936 + ... + 26866.

It is an arithmetic number, because the mean of its divisors is an integer number (16209018).

Almost surely, 2120321331 is an apocalyptic number.

120321331 is a deficient number, since it is larger than the sum of its proper divisors (9350813).

120321331 is a wasteful number, since it uses less digits than its factorization.

120321331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6821.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 120321331 is about 10969.1080311938. The cubic root of 120321331 is about 493.6822838074.

Adding to 120321331 its reverse (133123021), we get a palindrome (253444352).

The spelling of 120321331 in words is "one hundred twenty million, three hundred twenty-one thousand, three hundred thirty-one".

Divisors: 1 13 1877 4931 24401 64103 9255487 120321331