Search a number
-
+
1112130031 = 8334938393
BaseRepresentation
bin100001001001001…
…1100000111101111
32212111200001121011
41002102130013233
54234201130111
6302204450051
736362643415
oct10222340757
92774601534
101112130031
1152084a831
12270549927
13149539c0c
14a79b92b5
1567980021
hex4249c1ef

1112130031 has 8 divisors (see below), whose sum is σ = 1128783600. Its totient is φ = 1095554112.

The previous prime is 1112130029. The next prime is 1112130079. The reversal of 1112130031 is 1300312111.

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 1112130031 - 21 = 1112130029 is a prime.

It is a super-2 number, since 2×11121300312 = 2473666411704121922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1112129993 and 1112130020.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1112130001) 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, 9771 + ... + 48163.

It is an arithmetic number, because the mean of its divisors is an integer number (141097950).

Almost surely, 21112130031 is an apocalyptic number.

1112130031 is a deficient number, since it is larger than the sum of its proper divisors (16653569).

1112130031 is an equidigital number, since it uses as much as digits as its factorization.

1112130031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38825.

The product of its (nonzero) digits is 18, while the sum is 13.

The square root of 1112130031 is about 33348.6136293550. The cubic root of 1112130031 is about 1036.0606740229.

Adding to 1112130031 its reverse (1300312111), we get a palindrome (2412442142).

The spelling of 1112130031 in words is "one billion, one hundred twelve million, one hundred thirty thousand, thirty-one".

Divisors: 1 83 349 28967 38393 3186619 13399157 1112130031