11131320030 has 16 divisors (see below), whose sum is σ = 26715168144. Its totient is φ = 2968352000.

The previous prime is 11131319999. The next prime is 11131320047. The reversal of 11131320030 is 3002313111.

It is a super-2 number, since 2×11131320030² (a number of 21 digits) contains 22 as substring.

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

It is a junction number, because it is equal to n+sod(n) for n = 11131319991 and 11131320009.

It is a congruent number.

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, 185521971 + ... + 185522030.

It is an arithmetic number, because the mean of its divisors is an integer number (1669698009).

Almost surely, 2^11131320030 is an apocalyptic number.

11131320030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11131320030 is an abundant number, since it is smaller than the sum of its proper divisors (15583848114).

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

11131320030 is a wasteful number, since it uses less digits than its factorization.

11131320030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 371044011.

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

Adding to 11131320030 its reverse (3002313111), we get a palindrome (14133633141).

The spelling of 11131320030 in words is "eleven billion, one hundred thirty-one million, three hundred twenty thousand, thirty".