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131142103341061 = 1944957112691721
BaseRepresentation
bin11101110100010111100110…
…011111000001100000000101
3122012100001200122221101111211
4131310113212133001200011
5114142113011423403221
61142525503420131421
736423463401010501
oct3564274637014005
9565301618841454
10131142103341061
113887106551755a
1212860275096b71
135823855100507
14245545130d301
1510264915086e1
hex7745e67c1805

131142103341061 has 16 divisors (see below), whose sum is σ = 138376044576000. Its totient is φ = 123941431756800.

The previous prime is 131142103341059. The next prime is 131142103341083. The reversal of 131142103341061 is 160143301241131.

It is a cyclic number.

It is not a de Polignac number, because 131142103341061 - 21 = 131142103341059 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131142103341001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47374681 + ... + 50066401.

It is an arithmetic number, because the mean of its divisors is an integer number (8648502786000).

Almost surely, 2131142103341061 is an apocalyptic number.

It is an amenable number.

131142103341061 is a deficient number, since it is larger than the sum of its proper divisors (7233941234939).

131142103341061 is a wasteful number, since it uses less digits than its factorization.

131142103341061 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2697900.

The product of its (nonzero) digits is 5184, while the sum is 31.

Adding to 131142103341061 its reverse (160143301241131), we get a palindrome (291285404582192).

The spelling of 131142103341061 in words is "one hundred thirty-one trillion, one hundred forty-two billion, one hundred three million, three hundred forty-one thousand, sixty-one".

Divisors: 1 19 449 5711 8531 108509 2564239 2691721 48720541 51142699 1208582729 15372418631 22963071851 292075953989 6902215965319 131142103341061