Search a number
-
+
111323030131 = 1950683115603
BaseRepresentation
bin110011110101101011…
…1101010001001110011
3101122100021220212112001
41213223113222021303
53310442143431011
6123050250514431
711020455100105
oct1475327521163
9348307825461
10111323030131
1143236a48245
12196a9a35a17
13a661639581
145560bbb575
152d683367c1
hex19eb5ea273

111323030131 has 8 divisors (see below), whose sum is σ = 117185462720. Its totient is φ = 105460930152.

The previous prime is 111323030087. The next prime is 111323030173. The reversal of 111323030131 is 131030323111.

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 111323030131 - 223 = 111314641523 is a prime.

It is a super-2 number, since 2×1113230301312 (a number of 23 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 111323030099 and 111323030108.

It is not an unprimeable number, because it can be changed into a prime (111323030431) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 905176 + ... + 1020778.

It is an arithmetic number, because the mean of its divisors is an integer number (14648182840).

Almost surely, 2111323030131 is an apocalyptic number.

111323030131 is a deficient number, since it is larger than the sum of its proper divisors (5862432589).

111323030131 is a wasteful number, since it uses less digits than its factorization.

111323030131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166305.

The product of its (nonzero) digits is 162, while the sum is 19.

Adding to 111323030131 its reverse (131030323111), we get a palindrome (242353353242).

The spelling of 111323030131 in words is "one hundred eleven billion, three hundred twenty-three million, thirty thousand, one hundred thirty-one".

Divisors: 1 19 50683 115603 962977 2196457 5859106849 111323030131