11131303430220 has 24 divisors (see below), whose sum is σ = 31167649604784. Its totient is φ = 2968347581376.

The previous prime is 11131303430207. The next prime is 11131303430281. The reversal of 11131303430220 is 2203430313111.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92760861859 + ... + 92760861978.

It is an arithmetic number, because the mean of its divisors is an integer number (1298652066866).

Almost surely, 2^{11131303430220} is an apocalyptic number.

11131303430220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

11131303430220 is an abundant number, since it is smaller than the sum of its proper divisors (20036346174564).

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

11131303430220 is a wasteful number, since it uses less digits than its factorization.

11131303430220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185521723849 (or 185521723847 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 24.

Adding to 11131303430220 its reverse (2203430313111), we get a palindrome (13334733743331).

The spelling of 11131303430220 in words is "eleven trillion, one hundred thirty-one billion, three hundred three million, four hundred thirty thousand, two hundred twenty".