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130303312313 = 731784976881
BaseRepresentation
bin111100101011010101…
…1101100000110111001
3110110100001200002220012
41321112223230012321
54113330121443223
6135505512111305
712262015610546
oct1712653540671
9413301602805
10130303312313
1150296906169
1221306395535
13c397992185
1464418a1bcd
1535c97c8c78
hex1e56aec1b9

130303312313 has 4 divisors (see below), whose sum is σ = 132088289268. Its totient is φ = 128518335360.

The previous prime is 130303312309. The next prime is 130303312357. The reversal of 130303312313 is 313213303031.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 26881897849 + 103421414464 = 163957^2 + 321592^2 .

It is a cyclic number.

It is not a de Polignac number, because 130303312313 - 22 = 130303312309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (130303312613) 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, 892488368 + ... + 892488513.

It is an arithmetic number, because the mean of its divisors is an integer number (33022072317).

Almost surely, 2130303312313 is an apocalyptic number.

It is an amenable number.

130303312313 is a deficient number, since it is larger than the sum of its proper divisors (1784976955).

130303312313 is an equidigital number, since it uses as much as digits as its factorization.

130303312313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1784976954.

The product of its (nonzero) digits is 1458, while the sum is 23.

Adding to 130303312313 its reverse (313213303031), we get a palindrome (443516615344).

The spelling of 130303312313 in words is "one hundred thirty billion, three hundred three million, three hundred twelve thousand, three hundred thirteen".

Divisors: 1 73 1784976881 130303312313