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1323103122101 = 1578978379533
BaseRepresentation
bin10011010000001111000…
…101110111001010110101
311200111011022221122202002
4103100033011313022311
5133134203344401401
62451454123425045
7164406504655445
oct23201705671265
94614138848662
101323103122101
11470141245832
12194514685185
13979ca6511a7
1448077a3c125
152463c304a6b
hex1340f1772b5

1323103122101 has 4 divisors (see below), whose sum is σ = 1323111659532. Its totient is φ = 1323094584672.

The previous prime is 1323103122041. The next prime is 1323103122127. The reversal of 1323103122101 is 1012213013231.

It is a happy number.

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 290591074225 + 1032512047876 = 539065^2 + 1016126^2 .

It is a cyclic number.

It is not a de Polignac number, because 1323103122101 - 214 = 1323103105717 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1323103122401) 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, 4031870 + ... + 4347663.

It is an arithmetic number, because the mean of its divisors is an integer number (330777914883).

Almost surely, 21323103122101 is an apocalyptic number.

It is an amenable number.

1323103122101 is a deficient number, since it is larger than the sum of its proper divisors (8537431).

1323103122101 is an equidigital number, since it uses as much as digits as its factorization.

1323103122101 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8537430.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 1323103122101 its reverse (1012213013231), we get a palindrome (2335316135332).

The spelling of 1323103122101 in words is "one trillion, three hundred twenty-three billion, one hundred three million, one hundred twenty-two thousand, one hundred one".

Divisors: 1 157897 8379533 1323103122101