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313303121131 = 711131614119391
BaseRepresentation
bin1001000111100100101…
…00100011110011101011
31002221200122002121020011
410203302110203303223
520113121044334011
6355532433112351
731430641406140
oct4436224436353
91087618077204
10313303121131
11110964498090
12508786b86b7
132370cc51c10
1411241c543c7
15823a539621
hex48f2523ceb

313303121131 has 32 divisors (see below), whose sum is σ = 420706492416. Its totient is φ = 225327312000.

The previous prime is 313303121111. The next prime is 313303121141. The reversal of 313303121131 is 131121303313.

It is not a de Polignac number, because 313303121131 - 211 = 313303119083 is a prime.

It is a super-2 number, since 2×3133031211312 (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (313303121111) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 16147446 + ... + 16166836.

It is an arithmetic number, because the mean of its divisors is an integer number (13147077888).

Almost surely, 2313303121131 is an apocalyptic number.

313303121131 is a deficient number, since it is larger than the sum of its proper divisors (107403371285).

313303121131 is a wasteful number, since it uses less digits than its factorization.

313303121131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35563.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 313303121131 its reverse (131121303313), we get a palindrome (444424424444).

It can be divided in two parts, 313303 and 121131, that added together give a palindrome (434434).

The spelling of 313303121131 in words is "three hundred thirteen billion, three hundred three million, one hundred twenty-one thousand, one hundred thirty-one".

Divisors: 1 7 11 13 77 91 143 1001 16141 19391 112987 135737 177551 209833 213301 252083 1242857 1468831 1493107 1764581 2308163 2772913 16157141 19410391 312990131 2190930917 3442891441 4068871703 24100240087 28482101921 44757588733 313303121131