1000003431042 has 96 divisors (see below), whose sum is σ = 2702584759680. Its totient is φ = 259618383360.

The previous prime is 1000003431019. The next prime is 1000003431061. The reversal of 1000003431042 is 2401343000001.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2781348 + ... + 3120240.

It is an arithmetic number, because the mean of its divisors is an integer number (28151924580).

Almost surely, 2^{1000003431042} is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1000003431042, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1351292379840).

1000003431042 is an abundant number, since it is smaller than the sum of its proper divisors (1702581328638).

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

1000003431042 is a wasteful number, since it uses less digits than its factorization.

1000003431042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 341048 (or 341045 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

Adding to 1000003431042 its reverse (2401343000001), we get a palindrome (3401346431043).

The spelling of 1000003431042 in words is "one trillion, three million, four hundred thirty-one thousand, forty-two".