11131310430 has 96 divisors (see below), whose sum is σ = 30090977280. Its totient is φ = 2851830720.

The previous prime is 11131310429. The next prime is 11131310431. The reversal of 11131310430 is 3401313111.

It is an interprime number because it is at equal distance from previous prime (11131310429) and next prime (11131310431).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11131310431) by changing a digit.

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 47 ways as a sum of consecutive naturals, for example, 373459 + ... + 402161.

It is an arithmetic number, because the mean of its divisors is an integer number (313447680).

Almost surely, 2^11131310430 is an apocalyptic number.

11131310430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 11131310430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15045488640).

11131310430 is an abundant number, since it is smaller than the sum of its proper divisors (18959666850).

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

11131310430 is a wasteful number, since it uses less digits than its factorization.

11131310430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28886 (or 28883 counting only the distinct ones).

The product of its (nonzero) digits is 108, while the sum is 18.

Adding to 11131310430 its reverse (3401313111), we get a palindrome (14532623541).

The spelling of 11131310430 in words is "eleven billion, one hundred thirty-one million, three hundred ten thousand, four hundred thirty".