11311323021300 has 144 divisors (see below), whose sum is σ = 34463667934080. Its totient is φ = 2858737052160.

The previous prime is 11311323021289. The next prime is 11311323021307. The reversal of 11311323021300 is 312032311311.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311323021307) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6767727 + ... + 8271926.

It is an arithmetic number, because the mean of its divisors is an integer number (239331027320).

Almost surely, 2^{11311323021300} is an apocalyptic number.

11311323021300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11311323021300 is an abundant number, since it is smaller than the sum of its proper divisors (23152344912780).

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

11311323021300 is a wasteful number, since it uses less digits than its factorization.

11311323021300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15039802 (or 15039795 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 11311323021300 its reverse (312032311311), we get a palindrome (11623355332611).

The spelling of 11311323021300 in words is "eleven trillion, three hundred eleven billion, three hundred twenty-three million, twenty-one thousand, three hundred".