1030421203243 has 16 divisors (see below), whose sum is σ = 1067124326400. Its totient is φ = 993938911200.

The previous prime is 1030421203237. The next prime is 1030421203261. The reversal of 1030421203243 is 3423021240301.

It is a cyclic number.

It is not a de Polignac number, because 1030421203243 - 2²¹ = 1030419106091 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1030421204243) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14487933 + ... + 14558881.

It is an arithmetic number, because the mean of its divisors is an integer number (66695270400).

Almost surely, 2^{1030421203243} is an apocalyptic number.

1030421203243 is a deficient number, since it is larger than the sum of its proper divisors (36703123157).

1030421203243 is a wasteful number, since it uses less digits than its factorization.

1030421203243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72498.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 1030421203243 its reverse (3423021240301), we get a palindrome (4453442443544).

The spelling of 1030421203243 in words is "one trillion, thirty billion, four hundred twenty-one million, two hundred three thousand, two hundred forty-three".