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11431422201 = 33810474067
BaseRepresentation
bin10101010010101110…
…11010100011111001
31002111200020102020110
422221113122203321
5141402421002301
65130155014533
7553165325343
oct125127324371
932450212213
1011431422201
114936815771
12227043a449
13110241b364
147a62d4293
1546d8ad0d6
hex2a95da8f9

11431422201 has 4 divisors (see below), whose sum is σ = 15241896272. Its totient is φ = 7620948132.

The previous prime is 11431422199. The next prime is 11431422227. The reversal of 11431422201 is 10222413411.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 11431422201 - 21 = 11431422199 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (11431422241) 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, 1905237031 + ... + 1905237036.

It is an arithmetic number, because the mean of its divisors is an integer number (3810474068).

Almost surely, 211431422201 is an apocalyptic number.

It is an amenable number.

11431422201 is a deficient number, since it is larger than the sum of its proper divisors (3810474071).

11431422201 is an equidigital number, since it uses as much as digits as its factorization.

11431422201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3810474070.

The product of its (nonzero) digits is 384, while the sum is 21.

Adding to 11431422201 its reverse (10222413411), we get a palindrome (21653835612).

The spelling of 11431422201 in words is "eleven billion, four hundred thirty-one million, four hundred twenty-two thousand, two hundred one".

Divisors: 1 3 3810474067 11431422201