11331330031000 has 128 divisors (see below), whose sum is σ = 31122220521600. Its totient is φ = 3780026611200.

The previous prime is 11331330030991. The next prime is 11331330031003. The reversal of 11331330031000 is 13003313311.

It is a happy number.

It is a super-2 number, since 2×11331330031000² (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 (11331330031003) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21616155 + ... + 22134154.

It is an arithmetic number, because the mean of its divisors is an integer number (243142347825).

Almost surely, 2^{11331330031000} is an apocalyptic number.

11331330031000 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11331330031000 is an abundant number, since it is smaller than the sum of its proper divisors (19790890490600).

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

11331330031000 is a wasteful number, since it uses less digits than its factorization.

11331330031000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43750374 (or 43750360 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 19.

Adding to 11331330031000 its reverse (13003313311), we get a palindrome (11344333344311).

The spelling of 11331330031000 in words is "eleven trillion, three hundred thirty-one billion, three hundred thirty million, thirty-one thousand".