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131143122300431 = 1000713105138633
BaseRepresentation
bin11101110100011000100011…
…001110000010111000001111
3122012100011022200021212222202
4131310120203032002320033
5114142122103302103211
61142530152500032115
736423530553014513
oct3564304316027017
9565304280255882
10131143122300431
113887153870a83a
12128604ba39263b
135823988248257
14245550a794143
151026500bd253b
hex774623382e0f

131143122300431 has 4 divisors (see below), whose sum is σ = 131156227449072. Its totient is φ = 131130017151792.

The previous prime is 131143122300367. The next prime is 131143122300461. The reversal of 131143122300431 is 134003221341131.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 131143122300431 - 26 = 131143122300367 is a prime.

It is a super-2 number, since 2×1311431223004312 (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 131143122300394 and 131143122300403.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131143122300461) 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 3 ways as a sum of consecutive naturals, for example, 6552559310 + ... + 6552579323.

It is an arithmetic number, because the mean of its divisors is an integer number (32789056862268).

Almost surely, 2131143122300431 is an apocalyptic number.

131143122300431 is a deficient number, since it is larger than the sum of its proper divisors (13105148641).

131143122300431 is a wasteful number, since it uses less digits than its factorization.

131143122300431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13105148640.

The product of its (nonzero) digits is 5184, while the sum is 29.

Adding to 131143122300431 its reverse (134003221341131), we get a palindrome (265146343641562).

The spelling of 131143122300431 in words is "one hundred thirty-one trillion, one hundred forty-three billion, one hundred twenty-two million, three hundred thousand, four hundred thirty-one".

Divisors: 1 10007 13105138633 131143122300431