11431312350 has 96 divisors (see below), whose sum is σ = 28614177504. Its totient is φ = 3020044800.

The previous prime is 11431312309. The next prime is 11431312351. The reversal of 11431312350 is 5321313411.

It is a self number, because there is not a number n which added to its sum of digits gives 11431312350.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11431312351) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 9678760 + ... + 9679940.

It is an arithmetic number, because the mean of its divisors is an integer number (298064349).

Almost surely, 2^11431312350 is an apocalyptic number.

11431312350 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11431312350, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14307088752).

11431312350 is an abundant number, since it is smaller than the sum of its proper divisors (17182865154).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

11431312350 is a wasteful number, since it uses less digits than its factorization.

11431312350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1742 (or 1737 counting only the distinct ones).

The product of its (nonzero) digits is 1080, while the sum is 24.

Adding to 11431312350 its reverse (5321313411), we get a palindrome (16752625761).

The spelling of 11431312350 in words is "eleven billion, four hundred thirty-one million, three hundred twelve thousand, three hundred fifty".