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10212313111 = 71113831011217
BaseRepresentation
bin10011000001011001…
…11000100000010111
3222100201021020221221
421200230320200113
5131403323004421
64405205151211
7511033141420
oct114054704027
928321236857
1010212313111
114370647aa0
121b900bb507
13c69996130
146cc42c647
153eb84a841
hex260b38817

10212313111 has 64 divisors (see below), whose sum is σ = 14025747456. Its totient is φ = 7179264000.

The previous prime is 10212313093. The next prime is 10212313121. The reversal of 10212313111 is 11131321201.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 10212313111 - 29 = 10212312599 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10212313121) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8390775 + ... + 8391991.

It is an arithmetic number, because the mean of its divisors is an integer number (219152304).

Almost surely, 210212313111 is an apocalyptic number.

10212313111 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10212313111 is a deficient number, since it is larger than the sum of its proper divisors (3813434345).

10212313111 is a wasteful number, since it uses less digits than its factorization.

10212313111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1432.

The product of its (nonzero) digits is 36, while the sum is 16.

Adding to 10212313111 its reverse (11131321201), we get a palindrome (21343634312).

It can be divided in two parts, 10212 and 313111, that added together give a palindrome (323323).

The spelling of 10212313111 in words is "ten billion, two hundred twelve million, three hundred thirteen thousand, one hundred eleven".

Divisors: 1 7 11 13 77 83 91 101 143 581 707 913 1001 1079 1111 1217 1313 6391 7553 7777 8383 8519 9191 11869 13387 14443 15821 58681 83083 92213 93709 101011 101101 108979 110747 122917 174031 645491 707077 762853 860419 1111121 1198769 1218217 1313143 1352087 1597921 7777847 8391383 9192001 9464609 10202111 11185447 14444573 17577131 71414777 101112011 112223221 123039917 132627443 785562547 928392101 1458901873 10212313111