11321433211431 has 16 divisors (see below), whose sum is σ = 17252031379968. Its totient is φ = 6469269045600.

The previous prime is 11321433211399. The next prime is 11321433211457. The reversal of 11321433211431 is 13411233412311.

It is a happy number.

It is not a de Polignac number, because 11321433211431 - 2⁵ = 11321433211399 is a prime.

It is a super-2 number, since 2×11321433211431² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11321433211331) 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 15 ways as a sum of consecutive naturals, for example, 3904500 + ... + 6155321.

It is an arithmetic number, because the mean of its divisors is an integer number (1078251961248).

Almost surely, 2^{11321433211431} is an apocalyptic number.

11321433211431 is a deficient number, since it is larger than the sum of its proper divisors (5930598168537).

11321433211431 is a wasteful number, since it uses less digits than its factorization.

11321433211431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10113422.

The product of its digits is 5184, while the sum is 30.

Adding to 11321433211431 its reverse (13411233412311), we get a palindrome (24732666623742).

The spelling of 11321433211431 in words is "eleven trillion, three hundred twenty-one billion, four hundred thirty-three million, two hundred eleven thousand, four hundred thirty-one".