1101342321 has 12 divisors (see below), whose sum is σ = 1617791760. Its totient is φ = 721783320.

The previous prime is 1101342311. The next prime is 1101342329. The reversal of 1101342321 is 1232431011.

1101342321 is a `hidden beast` number, since 1 + 1 + 0 + 1 + 342 + 321 = 666.

It is not a de Polignac number, because 1101342321 - 2⁶ = 1101342257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1101342294 and 1101342303.

It is not an unprimeable number, because it can be changed into a prime (1101342329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1036515 + ... + 1037576.

It is an arithmetic number, because the mean of its divisors is an integer number (134815980).

Almost surely, 2^1101342321 is an apocalyptic number.

It is an amenable number.

1101342321 is a deficient number, since it is larger than the sum of its proper divisors (516449439).

1101342321 is a wasteful number, since it uses less digits than its factorization.

1101342321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2074156 (or 2074153 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 1101342321 is about 33186.4779842634. The cubic root of 1101342321 is about 1032.6998391005.

Adding to 1101342321 its reverse (1232431011), we get a palindrome (2333773332).

It can be divided in two parts, 110 and 1342321, that added together give a palindrome (1342431).

The spelling of 1101342321 in words is "one billion, one hundred one million, three hundred forty-two thousand, three hundred twenty-one".