1003531405042 has 8 divisors (see below), whose sum is σ = 1519107173100. Its totient is φ = 497162347344.

The previous prime is 1003531405033. The next prime is 1003531405043. The reversal of 1003531405042 is 2405041353001.

It can be written as a sum of positive squares in 2 ways, for example, as 989028261001 + 14503144041 = 994499^2 + 120429^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 1003531405042.

It is not an unprimeable number, because it can be changed into a prime (1003531405043) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2301677317 + ... + 2301677752.

Almost surely, 2^{1003531405042} is an apocalyptic number.

1003531405042 is a deficient number, since it is larger than the sum of its proper divisors (515575768058).

1003531405042 is a wasteful number, since it uses less digits than its factorization.

1003531405042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4603355180.

The product of its (nonzero) digits is 7200, while the sum is 28.

Adding to 1003531405042 its reverse (2405041353001), we get a palindrome (3408572758043).

The spelling of 1003531405042 in words is "one trillion, three billion, five hundred thirty-one million, four hundred five thousand, forty-two".