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12311110141 = 1143533971237
BaseRepresentation
bin10110111011100110…
…01010000111111101
31011202222112012020021
423131303022013331
5200203121011031
65353341452141
7614036465251
oct133563120775
934688465207
1012311110141
1152483342a0
122476b71051
131212752575
1484b084261
154c0c26511
hex2ddcca1fd

12311110141 has 32 divisors (see below), whose sum is σ = 14048546688. Its totient is φ = 10689719040.

The previous prime is 12311110127. The next prime is 12311110187. The reversal of 12311110141 is 14101111321.

It is not a de Polignac number, because 12311110141 - 229 = 11774239229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12311116141) 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, 9951775 + ... + 9953011.

It is an arithmetic number, because the mean of its divisors is an integer number (439017084).

Almost surely, 212311110141 is an apocalyptic number.

12311110141 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

12311110141 is a deficient number, since it is larger than the sum of its proper divisors (1737436547).

12311110141 is a wasteful number, since it uses less digits than its factorization.

12311110141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1741.

The product of its (nonzero) digits is 24, while the sum is 16.

Adding to 12311110141 its reverse (14101111321), we get a palindrome (26412221462).

The spelling of 12311110141 in words is "twelve billion, three hundred eleven million, one hundred ten thousand, one hundred forty-one".

Divisors: 1 11 43 53 397 473 583 1237 2279 4367 13607 17071 21041 25069 53191 65561 187781 231451 491089 585101 721171 904763 2819123 5401979 9952393 21116827 26027717 31010353 232285097 286304887 1119191831 12311110141