11403343213 has 16 divisors (see below), whose sum is σ = 12089018880. Its totient is φ = 10734159744.

The previous prime is 11403343169. The next prime is 11403343229. The reversal of 11403343213 is 31234330411.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-11403343213 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 (11403343253) 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, 770043 + ... + 784711.

It is an arithmetic number, because the mean of its divisors is an integer number (755563680).

Almost surely, 2^11403343213 is an apocalyptic number.

It is an amenable number.

11403343213 is a deficient number, since it is larger than the sum of its proper divisors (685675667).

11403343213 is a wasteful number, since it uses less digits than its factorization.

11403343213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15228.

The product of its (nonzero) digits is 2592, while the sum is 25.

Adding to 11403343213 its reverse (31234330411), we get a palindrome (42637673624).

The spelling of 11403343213 in words is "eleven billion, four hundred three million, three hundred forty-three thousand, two hundred thirteen".