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11231131010 = 2511102101191
BaseRepresentation
bin10100111010110110…
…10111010110000010
31001222201100120101012
422131123113112002
5141000132143020
65054242040522
7545214016121
oct123533272602
931881316335
1011231131010
114843753a60
122215349142
13109ca91668
14787877ab8
1545aee77c5
hex29d6d7582

11231131010 has 16 divisors (see below), whose sum is σ = 22053857472. Its totient is φ = 4084047600.

The previous prime is 11231130941. The next prime is 11231131033. The reversal of 11231131010 is 1013113211.

It is a happy number.

It is a super-2 number, since 2×112311310102 (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 51050486 + ... + 51050705.

It is an arithmetic number, because the mean of its divisors is an integer number (1378366092).

Almost surely, 211231131010 is an apocalyptic number.

11231131010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11231131010 is a deficient number, since it is larger than the sum of its proper divisors (10822726462).

11231131010 is a wasteful number, since it uses less digits than its factorization.

11231131010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102101209.

The product of its (nonzero) digits is 18, while the sum is 14.

Adding to 11231131010 its reverse (1013113211), we get a palindrome (12244244221).

It can be divided in two parts, 11231 and 131010, that added together give a palindrome (142241).

The spelling of 11231131010 in words is "eleven billion, two hundred thirty-one million, one hundred thirty-one thousand, ten".

Divisors: 1 2 5 10 11 22 55 110 102101191 204202382 510505955 1021011910 1123113101 2246226202 5615565505 11231131010