1103311042 has 4 divisors (see below), whose sum is σ = 1654966566. Its totient is φ = 551655520.

The previous prime is 1103311007. The next prime is 1103311073. The reversal of 1103311042 is 2401133011.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 1098988801 + 4322241 = 33151^2 + 2079^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275827759 + ... + 275827762.

Almost surely, 2^1103311042 is an apocalyptic number.

1103311042 is a deficient number, since it is larger than the sum of its proper divisors (551655524).

1103311042 is an equidigital number, since it uses as much as digits as its factorization.

1103311042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 551655523.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1103311042 is about 33216.1262341050. The cubic root of 1103311042 is about 1033.3148121782.

Adding to 1103311042 its reverse (2401133011), we get a palindrome (3504444053).

The spelling of 1103311042 in words is "one billion, one hundred three million, three hundred eleven thousand, forty-two".