11213431343 has 16 divisors (see below), whose sum is σ = 11853267840. Its totient is φ = 10578664800.

The previous prime is 11213431331. The next prime is 11213431357. The reversal of 11213431343 is 34313431211.

It is a cyclic number.

It is not a de Polignac number, because 11213431343 - 2²⁶ = 11146322479 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11213431303) 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, 7323488 + ... + 7325018.

It is an arithmetic number, because the mean of its divisors is an integer number (740829240).

Almost surely, 2^11213431343 is an apocalyptic number.

11213431343 is a deficient number, since it is larger than the sum of its proper divisors (639836497).

11213431343 is a wasteful number, since it uses less digits than its factorization.

11213431343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2918.

The product of its digits is 2592, while the sum is 26.

Adding to 11213431343 its reverse (34313431211), we get a palindrome (45526862554).

The spelling of 11213431343 in words is "eleven billion, two hundred thirteen million, four hundred thirty-one thousand, three hundred forty-three".