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10231121131211 = 191106675021663
BaseRepresentation
bin1001010011100001111001…
…0101110011011011001011
31100020002022102102012121002
42110320132111303123023
52320111314002144321
633432040121005215
72104113501503261
oct224703625633313
940202272365532
1010231121131211
113294aa3176772
121192a3992380b
13592a37bab726
142752904d8431
1512b20564d20b
hex94e1e5736cb

10231121131211 has 8 divisors (see below), whose sum is σ = 10285653417984. Its totient is φ = 10176598909480.

The previous prime is 10231121131201. The next prime is 10231121131403. The reversal of 10231121131211 is 11213112113201.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-10231121131211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (10231121131201) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 473435 + ... + 4548228.

It is an arithmetic number, because the mean of its divisors is an integer number (1285706677248).

Almost surely, 210231121131211 is an apocalyptic number.

10231121131211 is a deficient number, since it is larger than the sum of its proper divisors (54532286773).

10231121131211 is a wasteful number, since it uses less digits than its factorization.

10231121131211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5032521.

The product of its (nonzero) digits is 72, while the sum is 20.

Adding to 10231121131211 its reverse (11213112113201), we get a palindrome (21444233244412).

The spelling of 10231121131211 in words is "ten trillion, two hundred thirty-one billion, one hundred twenty-one million, one hundred thirty-one thousand, two hundred eleven".

Divisors: 1 191 10667 2037397 5021663 959137633 53566079221 10231121131211