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11350231031 = 22350897897
BaseRepresentation
bin10101001001000011…
…01100011111110111
31002022000110110220002
422210201230133313
5141221124343111
65114134501515
7551161241366
oct124441543767
932260413802
1011350231031
1148a4a00627
12224920489b
1310bb661a49
147995db7dd
154666c163b
hex2a486c7f7

11350231031 has 4 divisors (see below), whose sum is σ = 11401129152. Its totient is φ = 11299332912.

The previous prime is 11350231007. The next prime is 11350231049. The reversal of 11350231031 is 13013205311.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 11350231031 - 26 = 11350230967 is a prime.

It is a super-2 number, since 2×113502310312 (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 11350230994 and 11350231012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11350231231) 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 3 ways as a sum of consecutive naturals, for example, 25448726 + ... + 25449171.

It is an arithmetic number, because the mean of its divisors is an integer number (2850282288).

Almost surely, 211350231031 is an apocalyptic number.

11350231031 is a deficient number, since it is larger than the sum of its proper divisors (50898121).

11350231031 is an equidigital number, since it uses as much as digits as its factorization.

11350231031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50898120.

The product of its (nonzero) digits is 270, while the sum is 20.

Adding to 11350231031 its reverse (13013205311), we get a palindrome (24363436342).

The spelling of 11350231031 in words is "eleven billion, three hundred fifty million, two hundred thirty-one thousand, thirty-one".

Divisors: 1 223 50897897 11350231031