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122313030321 = 340771010107
BaseRepresentation
bin111000111101001101…
…1001011101010110001
3102200201012112201121010
41301322123023222301
54000444113432241
6132105000421133
711560013414016
oct1617233135261
9380635481533
10122313030321
1147966576029
121b8564777a9
13b6c3472471
145cc460770d
1532ad09cd16
hex1c7a6cbab1

122313030321 has 4 divisors (see below), whose sum is σ = 163084040432. Its totient is φ = 81542020212.

The previous prime is 122313030289. The next prime is 122313030377. The reversal of 122313030321 is 123030313221.

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 not a de Polignac number, because 122313030321 - 25 = 122313030289 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (122313030391) 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, 20385505051 + ... + 20385505056.

It is an arithmetic number, because the mean of its divisors is an integer number (40771010108).

Almost surely, 2122313030321 is an apocalyptic number.

It is an amenable number.

122313030321 is a deficient number, since it is larger than the sum of its proper divisors (40771010111).

122313030321 is an equidigital number, since it uses as much as digits as its factorization.

122313030321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40771010110.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 122313030321 its reverse (123030313221), we get a palindrome (245343343542).

The spelling of 122313030321 in words is "one hundred twenty-two billion, three hundred thirteen million, thirty thousand, three hundred twenty-one".

Divisors: 1 3 40771010107 122313030321