Search a number
-
+
131123332111 = 1730112561653
BaseRepresentation
bin111101000011110001…
…1110100010000001111
3110112110012200102120211
41322013203310100033
54122020033111421
6140123124023251
712321233635042
oct1720743642017
9415405612524
10131123332111
1150677780182
12214b4b31b27
13c4988344a5
1464bc75cc59
1536267a79e1
hex1e878f440f

131123332111 has 8 divisors (see below), whose sum is σ = 138882633264. Its totient is φ = 123369160320.

The previous prime is 131123332103. The next prime is 131123332121. The reversal of 131123332111 is 111233321131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 131123332111 - 23 = 131123332103 is a prime.

It is a super-3 number, since 3×1311233321113 (a number of 34 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (131123332121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1229640 + ... + 1332013.

It is an arithmetic number, because the mean of its divisors is an integer number (17360329158).

Almost surely, 2131123332111 is an apocalyptic number.

131123332111 is a deficient number, since it is larger than the sum of its proper divisors (7759301153).

131123332111 is a wasteful number, since it uses less digits than its factorization.

131123332111 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2564681.

The product of its digits is 324, while the sum is 22.

Adding to 131123332111 its reverse (111233321131), we get a palindrome (242356653242).

The spelling of 131123332111 in words is "one hundred thirty-one billion, one hundred twenty-three million, three hundred thirty-two thousand, one hundred eleven".

Divisors: 1 17 3011 51187 2561653 43548101 7713137183 131123332111