Search a number
-
+
11131431041 = 83290946103
BaseRepresentation
bin10100101110111110…
…00010100010000001
31001201202202021201202
422113133002202001
5140244121243131
65040321110545
7542563413503
oct122737024201
931652667652
1011131431041
1147a2447995
1221a7a88455
1310852245b3
14778523d73
154523a1bcb
hex2977c2881

11131431041 has 8 divisors (see below), whose sum is σ = 11269661760. Its totient is φ = 10993298512.

The previous prime is 11131431011. The next prime is 11131431043. The reversal of 11131431041 is 14013413111.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-11131431041 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11131431043) 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, 218396 + ... + 264498.

It is an arithmetic number, because the mean of its divisors is an integer number (1408707720).

Almost surely, 211131431041 is an apocalyptic number.

It is an amenable number.

11131431041 is a deficient number, since it is larger than the sum of its proper divisors (138230719).

11131431041 is an equidigital number, since it uses as much as digits as its factorization.

11131431041 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49095.

The product of its (nonzero) digits is 144, while the sum is 20.

Adding to 11131431041 its reverse (14013413111), we get a palindrome (25144844152).

The spelling of 11131431041 in words is "eleven billion, one hundred thirty-one million, four hundred thirty-one thousand, forty-one".

Divisors: 1 83 2909 46103 241447 3826549 134113627 11131431041