11311200331000 has 64 divisors (see below), whose sum is σ = 26498880794880. Its totient is φ = 4519237052800.

The previous prime is 11311200330959. The next prime is 11311200331007. The reversal of 11311200331000 is 13300211311.

It is a super-2 number, since 2×11311200331000² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11311200331007) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5690419 + ... + 7416418.

It is an arithmetic number, because the mean of its divisors is an integer number (414045012420).

Almost surely, 2^{11311200331000} is an apocalyptic number.

11311200331000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11311200331000 is an abundant number, since it is smaller than the sum of its proper divisors (15187680463880).

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

11311200331000 is a wasteful number, since it uses less digits than its factorization.

11311200331000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13107721 (or 13107707 counting only the distinct ones).

The product of its (nonzero) digits is 54, while the sum is 16.

Adding to 11311200331000 its reverse (13300211311), we get a palindrome (11324500542311).

The spelling of 11311200331000 in words is "eleven trillion, three hundred eleven billion, two hundred million, three hundred thirty-one thousand".