1030031212103 has 4 divisors (see below), whose sum is σ = 1030607616360. Its totient is φ = 1029454807848.

The previous prime is 1030031212099. The next prime is 1030031212157. The reversal of 1030031212103 is 3012121300301.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1030031212103 - 2² = 1030031212099 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 (1030031218103) 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, 288199448 + ... + 288203021.

It is an arithmetic number, because the mean of its divisors is an integer number (257651904090).

Almost surely, 2^{1030031212103} is an apocalyptic number.

1030031212103 is a deficient number, since it is larger than the sum of its proper divisors (576404257).

1030031212103 is an equidigital number, since it uses as much as digits as its factorization.

1030031212103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576404256.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1030031212103 its reverse (3012121300301), we get a palindrome (4042152512404).

The spelling of 1030031212103 in words is "one trillion, thirty billion, thirty-one million, two hundred twelve thousand, one hundred three".