1100342320 has 80 divisors (see below), whose sum is σ = 3189581568. Its totient is φ = 342961920.

The previous prime is 1100342291. The next prime is 1100342363. The reversal of 1100342320 is 232430011.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (16).

It is a junction number, because it is equal to n+sod(n) for n = 1100342294 and 1100342303.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83154 + ... + 95473.

Almost surely, 2^1100342320 is an apocalyptic number.

1100342320 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100342320 is an abundant number, since it is smaller than the sum of its proper divisors (2089239248).

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

1100342320 is a wasteful number, since it uses less digits than its factorization.

1100342320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178658 (or 178652 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 1100342320 is about 33171.4081702903. The cubic root of 1100342320 is about 1032.3871862076.

Adding to 1100342320 its reverse (232430011), we get a palindrome (1332772331).

The spelling of 1100342320 in words is "one billion, one hundred million, three hundred forty-two thousand, three hundred twenty".