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130320021313 = 131994809323
BaseRepresentation
bin111100101011110101…
…1011011011101000001
3110110101020010000100001
41321113223123131001
54113343411140223
6135511310200001
712262310622046
oct1712753333501
9413336100301
10130320021313
11502a5288959
122130bab3001
13c39b292661
146443bb11cd
1535caec99ad
hex1e57adb741

130320021313 has 4 divisors (see below), whose sum is σ = 131314830768. Its totient is φ = 129325211860.

The previous prime is 130320021289. The next prime is 130320021323. The reversal of 130320021313 is 313120023031.

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, and also an emirpimes, since its reverse is a distinct semiprime: 313120023031 = 1583197801657.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-130320021313 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130320021323) 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, 497404531 + ... + 497404792.

It is an arithmetic number, because the mean of its divisors is an integer number (32828707692).

Almost surely, 2130320021313 is an apocalyptic number.

It is an amenable number.

130320021313 is a deficient number, since it is larger than the sum of its proper divisors (994809455).

130320021313 is an equidigital number, since it uses as much as digits as its factorization.

130320021313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 994809454.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 130320021313 its reverse (313120023031), we get a palindrome (443440044344).

The spelling of 130320021313 in words is "one hundred thirty billion, three hundred twenty million, twenty-one thousand, three hundred thirteen".

Divisors: 1 131 994809323 130320021313