1113031442 has 4 divisors (see below), whose sum is σ = 1669547166. Its totient is φ = 556515720.

The previous prime is 1113031427. The next prime is 1113031481. The reversal of 1113031442 is 2441303111.

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., 1106826361 + 6205081 = 33269^2 + 2491^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 278257859 + ... + 278257862.

Almost surely, 2^1113031442 is an apocalyptic number.

1113031442 is a deficient number, since it is larger than the sum of its proper divisors (556515724).

1113031442 is an equidigital number, since it uses as much as digits as its factorization.

1113031442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 556515723.

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

The square root of 1113031442 is about 33362.1258615215. The cubic root of 1113031442 is about 1036.3405166835.

Adding to 1113031442 its reverse (2441303111), we get a palindrome (3554334553).

The spelling of 1113031442 in words is "one billion, one hundred thirteen million, thirty-one thousand, four hundred forty-two".