11311241340 has 96 divisors (see below), whose sum is σ = 36934732800. Its totient is φ = 2585421888.

The previous prime is 11311241317. The next prime is 11311241341. The reversal of 11311241340 is 4314211311.

11311241340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311241341) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 254232 + ... + 295391.

It is an arithmetic number, because the mean of its divisors is an integer number (384736800).

Almost surely, 2^11311241340 is an apocalyptic number.

11311241340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11311241340 is an abundant number, since it is smaller than the sum of its proper divisors (25623491460).

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

11311241340 is a wasteful number, since it uses less digits than its factorization.

11311241340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 549656 (or 549640 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 21.

Adding to 11311241340 its reverse (4314211311), we get a palindrome (15625452651).

The spelling of 11311241340 in words is "eleven billion, three hundred eleven million, two hundred forty-one thousand, three hundred forty".