1203531003066 has 16 divisors (see below), whose sum is σ = 2750928007104. Its totient is φ = 343866000864.

The previous prime is 1203531003007. The next prime is 1203531003083. The reversal of 1203531003066 is 6603001353021.

It is a happy number.

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 7 ways as a sum of consecutive naturals, for example, 14327749995 + ... + 14327750078.

It is an arithmetic number, because the mean of its divisors is an integer number (171933000444).

Almost surely, 2^{1203531003066} is an apocalyptic number.

1203531003066 is an abundant number, since it is smaller than the sum of its proper divisors (1547397004038).

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

1203531003066 is a wasteful number, since it uses less digits than its factorization.

1203531003066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28655500085.

The product of its (nonzero) digits is 9720, while the sum is 30.

Adding to 1203531003066 its reverse (6603001353021), we get a palindrome (7806532356087).

The spelling of 1203531003066 in words is "one trillion, two hundred three billion, five hundred thirty-one million, three thousand, sixty-six".