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13111223131101 = 311097817504139
BaseRepresentation
bin1011111011001011000111…
…0011000001101111011101
31201102102100200110000002110
42332302301303001233131
53204303241110143401
643515113542144233
72522153221536624
oct276626163015735
951372320400073
1013111223131101
1141a5490715357
121579062122079
137414c96b8124
1433482d83a6bb
1517b0bdd389d6
hexbecb1cc1bdd

13111223131101 has 16 divisors (see below), whose sum is σ = 17499667348800. Its totient is φ = 8731799219328.

The previous prime is 13111223131087. The next prime is 13111223131121. The reversal of 13111223131101 is 10113132211131.

It is not a de Polignac number, because 13111223131101 - 210 = 13111223130077 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13111223131121) 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, 25755090 + ... + 26259228.

It is an arithmetic number, because the mean of its divisors is an integer number (1093729209300).

Almost surely, 213111223131101 is an apocalyptic number.

It is an amenable number.

13111223131101 is a deficient number, since it is larger than the sum of its proper divisors (4388444217699).

13111223131101 is a wasteful number, since it uses less digits than its factorization.

13111223131101 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 513068.

The product of its (nonzero) digits is 108, while the sum is 21.

Adding to 13111223131101 its reverse (10113132211131), we get a palindrome (23224355342232).

The spelling of 13111223131101 in words is "thirteen trillion, one hundred eleven billion, two hundred twenty-three million, one hundred thirty-one thousand, one hundred one".

Divisors: 1 3 1109 3327 7817 23451 504139 1512417 8669053 26007159 559090151 1677270453 3940854563 11822563689 4370407710367 13111223131101