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11113023131 = 71793386749
BaseRepresentation
bin10100101100110001…
…10100011010011011
31001200111010001211022
422112120310122123
5140224413220011
65034422353055
7542251065230
oct122630643233
931614101738
1011113023131
114793014841
1221a188b78b
13108147aa42
14775cd1787
154509678db
hex29663469b

11113023131 has 8 divisors (see below), whose sum is σ = 13447692000. Its totient is φ = 8965127808.

The previous prime is 11113023083. The next prime is 11113023143. The reversal of 11113023131 is 13132031111.

11113023131 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 11113023131 - 26 = 11113023067 is a prime.

It is a super-2 number, since 2×111130231312 (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11113023151) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 46693256 + ... + 46693493.

It is an arithmetic number, because the mean of its divisors is an integer number (1680961500).

Almost surely, 211113023131 is an apocalyptic number.

11113023131 is a deficient number, since it is larger than the sum of its proper divisors (2334668869).

11113023131 is an equidigital number, since it uses as much as digits as its factorization.

11113023131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 93386773.

The product of its (nonzero) digits is 54, while the sum is 17.

Adding to 11113023131 its reverse (13132031111), we get a palindrome (24245054242).

The spelling of 11113023131 in words is "eleven billion, one hundred thirteen million, twenty-three thousand, one hundred thirty-one".

Divisors: 1 7 17 119 93386749 653707243 1587574733 11113023131