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131311101320012 = 22112997290518999
BaseRepresentation
bin11101110110110100111111…
…100011001001101101001100
3122012221012220102110020011102
4131312310333203021231030
5114202400113414220022
61143135253121242232
736441625334066465
oct3566647743115514
9565835812406142
10131311101320012
11389267a8470459
1212888b7a193378
135836778590523
14245d6c3c6dd6c
15102aa82dc3a92
hex776d3f8c9b4c

131311101320012 has 12 divisors (see below), whose sum is σ = 229796461734000. Its totient is φ = 65654969396016.

The previous prime is 131311101320011. The next prime is 131311101320033. The reversal of 131311101320012 is 210023101113131.

It is not an unprimeable number, because it can be changed into a prime (131311101320011) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 144807512 + ... + 145711487.

It is an arithmetic number, because the mean of its divisors is an integer number (19149705144500).

Almost surely, 2131311101320012 is an apocalyptic number.

It is an amenable number.

131311101320012 is a deficient number, since it is larger than the sum of its proper divisors (98485360413988).

131311101320012 is a wasteful number, since it uses less digits than its factorization.

131311101320012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 290632000 (or 290631998 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 20.

Adding to 131311101320012 its reverse (210023101113131), we get a palindrome (341334202433143).

The spelling of 131311101320012 in words is "one hundred thirty-one trillion, three hundred eleven billion, one hundred one million, three hundred twenty thousand, twelve".

Divisors: 1 2 4 112997 225994 451988 290518999 581037998 1162075996 32827775330003 65655550660006 131311101320012