1100320312344 has 128 divisors (see below), whose sum is σ = 3204493056000. Its totient is φ = 311547801600.

The previous prime is 1100320312319. The next prime is 1100320312379. The reversal of 1100320312344 is 4432130230011.

It is a happy number.

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 polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2080729 + ... + 2555400.

It is an arithmetic number, because the mean of its divisors is an integer number (25035102000).

Almost surely, 2^{1100320312344} is an apocalyptic number.

It is an amenable number.

1100320312344 is an abundant number, since it is smaller than the sum of its proper divisors (2104172743656).

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

1100320312344 is a wasteful number, since it uses less digits than its factorization.

1100320312344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4636209 (or 4636205 counting only the distinct ones).

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

Adding to 1100320312344 its reverse (4432130230011), we get a palindrome (5532450542355).

The spelling of 1100320312344 in words is "one trillion, one hundred billion, three hundred twenty million, three hundred twelve thousand, three hundred forty-four".