11334444431 has 4 divisors (see below), whose sum is σ = 11393787264. Its totient is φ = 11275101600.

The previous prime is 11334444349. The next prime is 11334444463. The reversal of 11334444431 is 13444443311.

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 11334444431 - 2²⁶ = 11267335567 is a prime.

It is a super-2 number, since 2×11334444431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11334444481) 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, 29671130 + ... + 29671511.

It is an arithmetic number, because the mean of its divisors is an integer number (2848446816).

Almost surely, 2^11334444431 is an apocalyptic number.

11334444431 is a deficient number, since it is larger than the sum of its proper divisors (59342833).

11334444431 is an equidigital number, since it uses as much as digits as its factorization.

11334444431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59342832.

The product of its digits is 27648, while the sum is 32.

Adding to 11334444431 its reverse (13444443311), we get a palindrome (24778887742).

The spelling of 11334444431 in words is "eleven billion, three hundred thirty-four million, four hundred forty-four thousand, four hundred thirty-one".