1131342434430 has 64 divisors (see below), whose sum is σ = 2934875317248. Its totient is φ = 277456648320.

The previous prime is 1131342434399. The next prime is 1131342434449. The reversal of 1131342434430 is 344342431311.

It is a junction number, because it is equal to n+sod(n) for n = 1131342434391 and 1131342434400.

It is a congruent number.

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, 5246484 + ... + 5457863.

It is an arithmetic number, because the mean of its divisors is an integer number (45857426832).

Almost surely, 2^{1131342434430} is an apocalyptic number.

1131342434430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131342434430 is an abundant number, since it is smaller than the sum of its proper divisors (1803532882818).

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

1131342434430 is a wasteful number, since it uses less digits than its factorization.

1131342434430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10704641.

The product of its (nonzero) digits is 41472, while the sum is 33.

Adding to 1131342434430 its reverse (344342431311), we get a palindrome (1475684865741).

The spelling of 1131342434430 in words is "one trillion, one hundred thirty-one billion, three hundred forty-two million, four hundred thirty-four thousand, four hundred thirty".