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321130123013 = 7731097357271
BaseRepresentation
bin1001010110001001101…
…10001100111100000101
31010200220002222111022202
410223010312030330011
520230133302414023
6403305233004245
732125622002460
oct4530466147405
91120802874282
10321130123013
11114210645487
12522a19b3685
13243896a318b
14117855682d7
158547761128
hex4ac4d8cf05

321130123013 has 16 divisors (see below), whose sum is σ = 372073733376. Its totient is φ = 271454302080.

The previous prime is 321130122991. The next prime is 321130123033. The reversal of 321130123013 is 310321031123.

It is a cyclic number.

It is not a de Polignac number, because 321130123013 - 26 = 321130122949 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 (321130123033) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5578568 + ... + 5635838.

It is an arithmetic number, because the mean of its divisors is an integer number (23254608336).

Almost surely, 2321130123013 is an apocalyptic number.

It is an amenable number.

321130123013 is a deficient number, since it is larger than the sum of its proper divisors (50943610363).

321130123013 is a wasteful number, since it uses less digits than its factorization.

321130123013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68324.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 321130123013 its reverse (310321031123), we get a palindrome (631451154136).

The spelling of 321130123013 in words is "three hundred twenty-one billion, one hundred thirty million, one hundred twenty-three thousand, thirteen".

Divisors: 1 7 73 511 10973 57271 76811 400897 801029 4180783 5607203 29265481 628434683 4399042781 45875731859 321130123013