1003531402042 has 16 divisors (see below), whose sum is σ = 1621255337352. Its totient is φ = 463120868160.

The previous prime is 1003531401973. The next prime is 1003531402057. The reversal of 1003531402042 is 2402041353001.

It can be written as a sum of positive squares in 4 ways, for example, as 712925233801 + 290606168241 = 844349^2 + 539079^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1003531401998 and 1003531402016.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1718773 + ... + 2227384.

Almost surely, 2^{1003531402042} is an apocalyptic number.

1003531402042 is a deficient number, since it is larger than the sum of its proper divisors (617723935310).

1003531402042 is a wasteful number, since it uses less digits than its factorization.

1003531402042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3955953.

The product of its (nonzero) digits is 2880, while the sum is 25.

Adding to 1003531402042 its reverse (2402041353001), we get a palindrome (3405572755043).

The spelling of 1003531402042 in words is "one trillion, three billion, five hundred thirty-one million, four hundred two thousand, forty-two".