1101331442 has 4 divisors (see below), whose sum is σ = 1651997166. Its totient is φ = 550665720.

The previous prime is 1101331411. The next prime is 1101331453. The reversal of 1101331442 is 2441331011.

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., 1088934001 + 12397441 = 32999^2 + 3521^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 275332859 + ... + 275332862.

Almost surely, 2^1101331442 is an apocalyptic number.

1101331442 is a deficient number, since it is larger than the sum of its proper divisors (550665724).

1101331442 is an equidigital number, since it uses as much as digits as its factorization.

1101331442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550665723.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 1101331442 is about 33186.3140767395. The cubic root of 1101331442 is about 1032.6964387716.

Adding to 1101331442 its reverse (2441331011), we get a palindrome (3542662453).

The spelling of 1101331442 in words is "one billion, one hundred one million, three hundred thirty-one thousand, four hundred forty-two".