1113431002242 has 64 divisors (see below), whose sum is σ = 2431017308160. Its totient is φ = 337931322624.

The previous prime is 1113431002237. The next prime is 1113431002273. The reversal of 1113431002242 is 2422001343111.

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 in 31 ways as a sum of consecutive naturals, for example, 1388884 + ... + 2038592.

It is an arithmetic number, because the mean of its divisors is an integer number (37984645440).

Almost surely, 2^{1113431002242} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1113431002242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1215508654080).

1113431002242 is an abundant number, since it is smaller than the sum of its proper divisors (1317586305918).

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

1113431002242 is a wasteful number, since it uses less digits than its factorization.

1113431002242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 650027.

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

Adding to 1113431002242 its reverse (2422001343111), we get a palindrome (3535432345353).

The spelling of 1113431002242 in words is "one trillion, one hundred thirteen billion, four hundred thirty-one million, two thousand, two hundred forty-two".