11403212313 has 8 divisors (see below), whose sum is σ = 15288285376. Its totient is φ = 7560140400.

The previous prime is 11403212257. The next prime is 11403212321. The reversal of 11403212313 is 31321230411.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 11403212313 - 2⁸ = 11403212057 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 11403212313.

It is not an unprimeable number, because it can be changed into a prime (11403219313) 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 7 ways as a sum of consecutive naturals, for example, 10499653 + ... + 10500738.

It is an arithmetic number, because the mean of its divisors is an integer number (1911035672).

Almost surely, 2^11403212313 is an apocalyptic number.

It is an amenable number.

11403212313 is a deficient number, since it is larger than the sum of its proper divisors (3885073063).

11403212313 is a wasteful number, since it uses less digits than its factorization.

11403212313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21000575.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 11403212313 its reverse (31321230411), we get a palindrome (42724442724).

The spelling of 11403212313 in words is "eleven billion, four hundred three million, two hundred twelve thousand, three hundred thirteen".