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120000331231321 = 607143719764733
BaseRepresentation
bin11011010010001111000001…
…000111011011000001011001
3120201212220211102001022220011
4123102033001013123001121
5111212041134243400241
61103115220252201521
734163511034461142
oct3322170107330131
9521786742038804
10120000331231321
113526594463a202
1211560a501692a1
1351c5ca0c41038
14218c093052ac9
15dd173d783281
hex6d23c11db059

120000331231321 has 4 divisors (see below), whose sum is σ = 120000357067492. Its totient is φ = 120000305395152.

The previous prime is 120000331231283. The next prime is 120000331231343. The reversal of 120000331231321 is 123132133000021.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 87626916855625 + 32373414375696 = 9360925^2 + 5689764^2 .

It is a cyclic number.

It is not a de Polignac number, because 120000331231321 - 245 = 84815959142489 is a prime.

It is a super-2 number, since 2×1200003312313212 (a number of 29 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 = 120000331231292 and 120000331231301.

It is not an unprimeable number, because it can be changed into a prime (120000331235321) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3810930 + ... + 15953803.

It is an arithmetic number, because the mean of its divisors is an integer number (30000089266873).

Almost surely, 2120000331231321 is an apocalyptic number.

It is an amenable number.

120000331231321 is a deficient number, since it is larger than the sum of its proper divisors (25836171).

120000331231321 is an equidigital number, since it uses as much as digits as its factorization.

120000331231321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25836170.

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

Adding to 120000331231321 its reverse (123132133000021), we get a palindrome (243132464231342).

The spelling of 120000331231321 in words is "one hundred twenty trillion, three hundred thirty-one million, two hundred thirty-one thousand, three hundred twenty-one".

Divisors: 1 6071437 19764733 120000331231321