11031000123030 has 32 divisors (see below), whose sum is σ = 26474652741888. Its totient is φ = 2941571983200.

The previous prime is 11031000123007. The next prime is 11031000123037. The reversal of 11031000123030 is 3032100013011.

It is a Harshad number since it is a multiple of its sum of digits (15).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11031000123037) 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 15 ways as a sum of consecutive naturals, for example, 1547335 + ... + 4945325.

It is an arithmetic number, because the mean of its divisors is an integer number (827332898184).

Almost surely, 2^{11031000123030} is an apocalyptic number.

11031000123030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11031000123030 is an abundant number, since it is smaller than the sum of its proper divisors (15443652618858).

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

11031000123030 is a wasteful number, since it uses less digits than its factorization.

11031000123030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3506212.

The product of its (nonzero) digits is 54, while the sum is 15.

Adding to 11031000123030 its reverse (3032100013011), we get a palindrome (14063100136041).

The spelling of 11031000123030 in words is "eleven trillion, thirty-one billion, one hundred twenty-three thousand, thirty".