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1320231013133 = 6349920791367
BaseRepresentation
bin10011001101100011111…
…001101000101100001101
311200012202011120101220212
4103031203321220230031
5133112313114410013
62450301124252205
7164245361311064
oct23154371505415
94605664511825
101320231013133
114699a7a9685a
12193a52841065
13976605c7526
1447c844071db
15245200c46a8
hex13363e68b0d

1320231013133 has 4 divisors (see below), whose sum is σ = 1320251868000. Its totient is φ = 1320210158268.

The previous prime is 1320231013117. The next prime is 1320231013141. The reversal of 1320231013133 is 3313101320231.

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 not a de Polignac number, because 1320231013133 - 24 = 1320231013117 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1320231013099 and 1320231013108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1320231013163) 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, 10332185 + ... + 10459182.

It is an arithmetic number, because the mean of its divisors is an integer number (330062967000).

Almost surely, 21320231013133 is an apocalyptic number.

It is an amenable number.

1320231013133 is a deficient number, since it is larger than the sum of its proper divisors (20854867).

1320231013133 is an equidigital number, since it uses as much as digits as its factorization.

1320231013133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20854866.

The product of its (nonzero) digits is 972, while the sum is 23.

Adding to 1320231013133 its reverse (3313101320231), we get a palindrome (4633332333364).

The spelling of 1320231013133 in words is "one trillion, three hundred twenty billion, two hundred thirty-one million, thirteen thousand, one hundred thirty-three".

Divisors: 1 63499 20791367 1320231013133