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12031022001131 = 761157179463029
BaseRepresentation
bin1010111100010011000011…
…0010101110101111101011
31120121011011121110001011022
42233010300302232233223
53034104013113014011
641330550351123055
72351132640454340
oct257046062565753
946534147401138
1012031022001131
1139193672a9471
121423838b1348b
1369369c726083
142d8439a607c7
1515ce4b6248db
hexaf130caebeb

12031022001131 has 16 divisors (see below), whose sum is σ = 14064158735040. Its totient is φ = 10078643652480.

The previous prime is 12031022001091. The next prime is 12031022001151. The reversal of 12031022001131 is 13110022013021.

It is a cyclic number.

It is not a de Polignac number, because 12031022001131 - 226 = 12030954892267 is a prime.

It is a super-2 number, since 2×120310220011312 (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (12031022001151) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89664476 + ... + 89798553.

It is an arithmetic number, because the mean of its divisors is an integer number (879009920940).

Almost surely, 212031022001131 is an apocalyptic number.

12031022001131 is a deficient number, since it is larger than the sum of its proper divisors (2033136733909).

12031022001131 is a wasteful number, since it uses less digits than its factorization.

12031022001131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 179463254.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 12031022001131 its reverse (13110022013021), we get a palindrome (25141044014152).

The spelling of 12031022001131 in words is "twelve trillion, thirty-one billion, twenty-two million, one thousand, one hundred thirty-one".

Divisors: 1 7 61 157 427 1099 9577 67039 179463029 1256241203 10947244769 28175695553 76630713383 197229868871 1718717428733 12031022001131