1030342243421 has 4 divisors (see below), whose sum is σ = 1031353375200. Its totient is φ = 1029331111644.

The previous prime is 1030342243363. The next prime is 1030342243423. The reversal of 1030342243421 is 1243422430301.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 1030342243421 - 2¹⁴ = 1030342227037 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1030342243423) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 505564361 + ... + 505566398.

It is an arithmetic number, because the mean of its divisors is an integer number (257838343800).

Almost surely, 2^{1030342243421} is an apocalyptic number.

It is an amenable number.

1030342243421 is a deficient number, since it is larger than the sum of its proper divisors (1011131779).

1030342243421 is a wasteful number, since it uses less digits than its factorization.

1030342243421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1011131778.

The product of its (nonzero) digits is 13824, while the sum is 29.

Adding to 1030342243421 its reverse (1243422430301), we get a palindrome (2273764673722).

The spelling of 1030342243421 in words is "one trillion, thirty billion, three hundred forty-two million, two hundred forty-three thousand, four hundred twenty-one".