Search a number
-
+
11311342001 = 12379144173
BaseRepresentation
bin10101000100011010…
…10110000110110001
31002012022021201011122
422202031112012301
5141131200421001
65110225152025
7550206551321
oct124215260661
932168251148
1011311342001
114884a59733
12223818b615
1310b3596a9b
14794397281
1546308db1b
hex2a23561b1

11311342001 has 4 divisors (see below), whose sum is σ = 11320487412. Its totient is φ = 11302196592.

The previous prime is 11311341961. The next prime is 11311342013. The reversal of 11311342001 is 10024311311.

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

It can be written as a sum of positive squares in 2 ways, for example, as 4242568225 + 7068773776 = 65135^2 + 84076^2 .

It is a cyclic number.

It is not a de Polignac number, because 11311342001 - 214 = 11311325617 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (11311342501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4570850 + ... + 4573323.

It is an arithmetic number, because the mean of its divisors is an integer number (2830121853).

Almost surely, 211311342001 is an apocalyptic number.

It is an amenable number.

11311342001 is a deficient number, since it is larger than the sum of its proper divisors (9145411).

11311342001 is an equidigital number, since it uses as much as digits as its factorization.

11311342001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9145410.

The product of its (nonzero) digits is 72, while the sum is 17.

Adding to 11311342001 its reverse (10024311311), we get a palindrome (21335653312).

The spelling of 11311342001 in words is "eleven billion, three hundred eleven million, three hundred forty-two thousand, one".

Divisors: 1 1237 9144173 11311342001