11031113301320 has 128 divisors (see below), whose sum is σ = 28438227014400. Its totient is φ = 3772437774336.

The previous prime is 11031113301281. The next prime is 11031113301347. The reversal of 11031113301320 is 2310331113011.

It is a super-2 number, since 2×11031113301320² (a number of 27 digits) contains 22 as substring.

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 = 11031113301292 and 11031113301301.

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 31 ways as a sum of consecutive naturals, for example, 235598552 + ... + 235645368.

It is an arithmetic number, because the mean of its divisors is an integer number (222173648550).

Almost surely, 2^{11031113301320} is an apocalyptic number.

11031113301320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 11031113301320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14219113507200).

11031113301320 is an abundant number, since it is smaller than the sum of its proper divisors (17407113713080).

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

11031113301320 is a wasteful number, since it uses less digits than its factorization.

11031113301320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48967 (or 48963 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 20.

Adding to 11031113301320 its reverse (2310331113011), we get a palindrome (13341444414331).

The spelling of 11031113301320 in words is "eleven trillion, thirty-one billion, one hundred thirteen million, three hundred one thousand, three hundred twenty".