1131011044430 has 64 divisors (see below), whose sum is σ = 2091566969856. Its totient is φ = 440082720000.

The previous prime is 1131011044369. The next prime is 1131011044477. The reversal of 1131011044430 is 344401101311.

It is a junction number, because it is equal to n+sod(n) for n = 1131011044396 and 1131011044405.

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, 228438455 + ... + 228443405.

It is an arithmetic number, because the mean of its divisors is an integer number (32680733904).

Almost surely, 2^{1131011044430} is an apocalyptic number.

1131011044430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1131011044430 is a deficient number, since it is larger than the sum of its proper divisors (960555925426).

1131011044430 is a wasteful number, since it uses less digits than its factorization.

1131011044430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6513.

The product of its (nonzero) digits is 576, while the sum is 23.

Adding to 1131011044430 its reverse (344401101311), we get a palindrome (1475412145741).

The spelling of 1131011044430 in words is "one trillion, one hundred thirty-one billion, eleven million, forty-four thousand, four hundred thirty".