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131012320201313 = 220395944567367
BaseRepresentation
bin11101110010011110101110…
…110011101000101001100001
3122011212122200212001210020012
4131302132232303220221201
5114133001212432420223
61142350121245054305
736411220266351665
oct3562365663505141
9564778625053205
10131012320201313
11388210162a6781
121283b094b57395
135814541137275
14244d05c9748a5
151022de772ec78
hex7727aece8a61

131012320201313 has 4 divisors (see below), whose sum is σ = 131018264790720. Its totient is φ = 131006375611908.

The previous prime is 131012320201309. The next prime is 131012320201349. The reversal of 131012320201313 is 313102023210131.

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 131012320201313 - 22 = 131012320201309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (131012320201013) 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, 2972261645 + ... + 2972305722.

It is an arithmetic number, because the mean of its divisors is an integer number (32754566197680).

Almost surely, 2131012320201313 is an apocalyptic number.

It is an amenable number.

131012320201313 is a deficient number, since it is larger than the sum of its proper divisors (5944589407).

131012320201313 is an equidigital number, since it uses as much as digits as its factorization.

131012320201313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5944589406.

The product of its (nonzero) digits is 648, while the sum is 23.

Adding to 131012320201313 its reverse (313102023210131), we get a palindrome (444114343411444).

The spelling of 131012320201313 in words is "one hundred thirty-one trillion, twelve billion, three hundred twenty million, two hundred one thousand, three hundred thirteen".

Divisors: 1 22039 5944567367 131012320201313