1111343442 has 32 divisors (see below), whose sum is σ = 2426609664. Its totient is φ = 336512400.

The previous prime is 1111343437. The next prime is 1111343447. The reversal of 1111343442 is 2443431111.

It is an interprime number because it is at equal distance from previous prime (1111343437) and next prime (1111343447).

It is not an unprimeable number, because it can be changed into a prime (1111343447) 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 15 ways as a sum of consecutive naturals, for example, 91363 + ... + 102809.

It is an arithmetic number, because the mean of its divisors is an integer number (75831552).

Almost surely, 2^1111343442 is an apocalyptic number.

1111343442 is an abundant number, since it is smaller than the sum of its proper divisors (1315266222).

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

1111343442 is a wasteful number, since it uses less digits than its factorization.

1111343442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12934.

The product of its digits is 1152, while the sum is 24.

The square root of 1111343442 is about 33336.8181145112. The cubic root of 1111343442 is about 1035.8163542292.

Adding to 1111343442 its reverse (2443431111), we get a palindrome (3554774553).

The spelling of 1111343442 in words is "one billion, one hundred eleven million, three hundred forty-three thousand, four hundred forty-two".