11313221331000 has 64 divisors (see below), whose sum is σ = 35297250562080. Its totient is φ = 3016859020800.

The previous prime is 11313221330881. The next prime is 11313221331001. The reversal of 11313221331000 is 13312231311.

It is a happy number.

It is a super-2 number, since 2×11313221331000² (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 (11313221331001) 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, 1885533889 + ... + 1885539888.

Almost surely, 2^{11313221331000} is an apocalyptic number.

11313221331000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11313221331000 is an abundant number, since it is smaller than the sum of its proper divisors (23984029231080).

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

11313221331000 is a wasteful number, since it uses less digits than its factorization.

11313221331000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3771073801 (or 3771073787 counting only the distinct ones).

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

Adding to 11313221331000 its reverse (13312231311), we get a palindrome (11326533562311).

The spelling of 11313221331000 in words is "eleven trillion, three hundred thirteen billion, two hundred twenty-one million, three hundred thirty-one thousand".