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323213013130121 = 1783181274825087
BaseRepresentation
bin100100101111101011110010…
…0110101011001101110001001
31120101101212021121110120001122
41021133113210311121232021
5314331010222330130441
63103230001452325025
7125036240525505002
oct11137274465315611
91511355247416048
10323213013130121
1193a92961847724
1230300a20173775
1310b46b19555aba
1459b58440541a9
1527577a3a5534b
hex125f5e4d59b89

323213013130121 has 4 divisors (see below), whose sum is σ = 323394287956992. Its totient is φ = 323031738303252.

The previous prime is 323213013130019. The next prime is 323213013130129. The reversal of 323213013130121 is 121031310312323.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-323213013130121 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (323213013130129) 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, 90637410761 + ... + 90637414326.

It is an arithmetic number, because the mean of its divisors is an integer number (80848571989248).

Almost surely, 2323213013130121 is an apocalyptic number.

It is an amenable number.

323213013130121 is a deficient number, since it is larger than the sum of its proper divisors (181274826871).

323213013130121 is a wasteful number, since it uses less digits than its factorization.

323213013130121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181274826870.

The product of its (nonzero) digits is 1944, while the sum is 26.

Adding to 323213013130121 its reverse (121031310312323), we get a palindrome (444244323442444).

The spelling of 323213013130121 in words is "three hundred twenty-three trillion, two hundred thirteen billion, thirteen million, one hundred thirty thousand, one hundred twenty-one".

Divisors: 1 1783 181274825087 323213013130121