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131011113101142 = 23509110833870631
BaseRepresentation
bin11101110010011101100110…
…110110111010011101010110
3122011212112120201200202002110
4131302131212312322131112
5114132441224423214032
61142345401404451450
736411145341232341
oct3562354666723526
9564775521622073
10131011113101142
113882055699052a
121283a9b8849b86
1358143ab028101
14244cd86517458
151022d767907cc
hex772766dba756

131011113101142 has 32 divisors (see below), whose sum is σ = 262560760738560. Its totient is φ = 43580630806560.

The previous prime is 131011113101119. The next prime is 131011113101159. The reversal of 131011113101142 is 241101311110131.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31912167 + ... + 35782797.

It is an arithmetic number, because the mean of its divisors is an integer number (8205023773080).

Almost surely, 2131011113101142 is an apocalyptic number.

131011113101142 is an abundant number, since it is smaller than the sum of its proper divisors (131549647637418).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

131011113101142 is a wasteful number, since it uses less digits than its factorization.

131011113101142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3882228.

The product of its (nonzero) digits is 72, while the sum is 21.

Adding to 131011113101142 its reverse (241101311110131), we get a palindrome (372112424211273).

The spelling of 131011113101142 in words is "one hundred thirty-one trillion, eleven billion, one hundred thirteen million, one hundred one thousand, one hundred forty-two".

Divisors: 1 2 3 6 509 1018 1527 3054 11083 22166 33249 66498 3870631 5641247 7741262 11282494 11611893 16923741 23223786 33847482 1970151179 3940302358 5910453537 11820907074 42898203373 85796406746 128694610119 257389220238 21835185516857 43670371033714 65505556550571 131011113101142