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101220313313 = 714460044759
BaseRepresentation
bin101111001000100110…
…0110110100011100001
3100200021012212200102002
41132101030312203201
53124244400011223
6114255554333345
710212222316160
oct1362114664341
9320235780362
10101220313313
1139a222565a9
121774a58a255
139711596b22
144c8315b3d7
152976438e28
hex17913368e1

101220313313 has 4 divisors (see below), whose sum is σ = 115680358080. Its totient is φ = 86760268548.

The previous prime is 101220313283. The next prime is 101220313321. The reversal of 101220313313 is 313313022101.

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 101220313313 - 28 = 101220313057 is a prime.

It is not an unprimeable number, because it can be changed into a prime (101220313333) 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, 7230022373 + ... + 7230022386.

It is an arithmetic number, because the mean of its divisors is an integer number (28920089520).

Almost surely, 2101220313313 is an apocalyptic number.

It is an amenable number.

101220313313 is a deficient number, since it is larger than the sum of its proper divisors (14460044767).

101220313313 is an equidigital number, since it uses as much as digits as its factorization.

101220313313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14460044766.

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

Adding to 101220313313 its reverse (313313022101), we get a palindrome (414533335414).

The spelling of 101220313313 in words is "one hundred one billion, two hundred twenty million, three hundred thirteen thousand, three hundred thirteen".

Divisors: 1 7 14460044759 101220313313