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31301222101130 = 25171976831368439
BaseRepresentation
bin1110001110111111000100…
…01110010111000010001010
311002211100220222122101022002
413013133202032113002022
513100314400324214010
6150323325524431002
76410303314635632
oct707374216270212
9132740828571262
1031301222101130
119a78856944983
123616477b48462
131460900798747
147a2db6d796c2
1539433b1531a5
hex1c77e239708a

31301222101130 has 64 divisors (see below), whose sum is σ = 60047103409920. Its totient is φ = 11706998037504.

The previous prime is 31301222101129. The next prime is 31301222101133. The reversal of 31301222101130 is 3110122210313.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (31301222101133) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 22189451 + ... + 23557889.

It is an arithmetic number, because the mean of its divisors is an integer number (938235990780).

Almost surely, 231301222101130 is an apocalyptic number.

31301222101130 is a deficient number, since it is larger than the sum of its proper divisors (28745881308790).

31301222101130 is a wasteful number, since it uses less digits than its factorization.

31301222101130 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1369343.

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 31301222101130 its reverse (3110122210313), we get a palindrome (34411344311443).

The spelling of 31301222101130 in words is "thirty-one trillion, three hundred one billion, two hundred twenty-two million, one hundred one thousand, one hundred thirty".

Divisors: 1 2 5 10 17 34 85 170 197 394 683 985 1366 1970 3349 3415 6698 6830 11611 16745 23222 33490 58055 116110 134551 269102 672755 1345510 1368439 2287367 2736878 4574734 6842195 11436835 13684390 22873670 23263463 46526926 116317315 232634630 269582483 539164966 934643837 1347912415 1869287674 2695824830 4582902211 4673219185 9165804422 9346438370 15888945229 22914511055 31777890458 45829022110 79444726145 158889452290 184124835889 368249671778 920624179445 1841248358890 3130122210113 6260244420226 15650611050565 31301222101130