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313110220223442 = 2319107109235495231
BaseRepresentation
bin100011100110001011010011…
…1011100111011001111010010
31112001122001012121020121021110
41013030112213130323033102
5312014444212334122232
63025532503250434150
7122644316100625665
oct10714264734731722
91461561177217243
10313110220223442
1190848331605474
122b14aa37292956
13105932230a5455
145746888da96dc
15262eaae5deacc
hex11cc5a773b3d2

313110220223442 has 64 divisors (see below), whose sum is σ = 671444005478400. Its totient is φ = 97054178149440.

The previous prime is 313110220223407. The next prime is 313110220223447. The reversal of 313110220223442 is 244322022011313.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (313110220223447) 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, 116418034 + ... + 119077197.

It is an arithmetic number, because the mean of its divisors is an integer number (10491312585600).

Almost surely, 2313110220223442 is an apocalyptic number.

313110220223442 is an abundant number, since it is smaller than the sum of its proper divisors (358333785254958).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

313110220223442 is a wasteful number, since it uses less digits than its factorization.

313110220223442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 235495471.

The product of its (nonzero) digits is 13824, while the sum is 30.

Adding to 313110220223442 its reverse (244322022011313), we get a palindrome (557432242234755).

The spelling of 313110220223442 in words is "three hundred thirteen trillion, one hundred ten billion, two hundred twenty million, two hundred twenty-three thousand, four hundred forty-two".

Divisors: 1 2 3 6 19 38 57 107 109 114 214 218 321 327 642 654 2033 2071 4066 4142 6099 6213 11663 12198 12426 23326 34989 69978 221597 443194 664791 1329582 235495231 470990462 706485693 1412971386 4474409389 8948818778 13423228167 25197989717 25668980179 26846456334 50395979434 51337960358 75593969151 77006940537 151187938302 154013881074 478761804623 487710623401 957523609246 975421246802 1436285413869 1463131870203 2746580879153 2872570827738 2926263740406 5493161758306 8239742637459 16479485274918 52185036703907 104370073407814 156555110111721 313110220223442