11031102321320 has 16 divisors (see below), whose sum is σ = 24819980223060. Its totient is φ = 4412440928512.

The previous prime is 11031102321313. The next prime is 11031102321373. The reversal of 11031102321320 is 2312320113011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9817531290436 + 1213571030884 = 3133294^2 + 1101622^2 .

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a junction number, because it is equal to n+sod(n) for n = 11031102321292 and 11031102321301.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 137888778977 + ... + 137888779056.

Almost surely, 2^{11031102321320} is an apocalyptic number.

11031102321320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11031102321320 is an abundant number, since it is smaller than the sum of its proper divisors (13788877901740).

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

11031102321320 is a wasteful number, since it uses less digits than its factorization.

11031102321320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275777558044 (or 275777558040 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 20.

Adding to 11031102321320 its reverse (2312320113011), we get a palindrome (13343422434331).

The spelling of 11031102321320 in words is "eleven trillion, thirty-one billion, one hundred two million, three hundred twenty-one thousand, three hundred twenty".