11131231430 has 16 divisors (see below), whose sum is σ = 21857691024. Its totient is φ = 4047720480.

The previous prime is 11131231429. The next prime is 11131231459. The reversal of 11131231430 is 3413213111.

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, 50596397 + ... + 50596616.

It is an arithmetic number, because the mean of its divisors is an integer number (1366105689).

Almost surely, 2^11131231430 is an apocalyptic number.

11131231430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

11131231430 is a deficient number, since it is larger than the sum of its proper divisors (10726459594).

11131231430 is a wasteful number, since it uses less digits than its factorization.

11131231430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 101193031.

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

Adding to 11131231430 its reverse (3413213111), we get a palindrome (14544444541).

The spelling of 11131231430 in words is "eleven billion, one hundred thirty-one million, two hundred thirty-one thousand, four hundred thirty".