1131000344304 has 40 divisors (see below), whose sum is σ = 2924618288640. Its totient is φ = 376630127808.

The previous prime is 1131000344281. The next prime is 1131000344321. The reversal of 1131000344304 is 4034430001311.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11512672 + ... + 11610495.

It is an arithmetic number, because the mean of its divisors is an integer number (73115457216).

Almost surely, 2^{1131000344304} is an apocalyptic number.

It is an amenable number.

1131000344304 is an abundant number, since it is smaller than the sum of its proper divisors (1793617944336).

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

1131000344304 is a wasteful number, since it uses less digits than its factorization.

1131000344304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23124197 (or 23124191 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 1131000344304 its reverse (4034430001311), we get a palindrome (5165430345615).

The spelling of 1131000344304 in words is "one trillion, one hundred thirty-one billion, three hundred forty-four thousand, three hundred four".