1031210320103 has 8 divisors (see below), whose sum is σ = 1037663900880. Its totient is φ = 1024776385920.

The previous prime is 1031210320099. The next prime is 1031210320139. The reversal of 1031210320103 is 3010230121301.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1031210320103 - 2² = 1031210320099 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 (1031210320703) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4806338 + ... + 5016303.

It is an arithmetic number, because the mean of its divisors is an integer number (129707987610).

Almost surely, 2^{1031210320103} is an apocalyptic number.

1031210320103 is a deficient number, since it is larger than the sum of its proper divisors (6453580777).

1031210320103 is an equidigital number, since it uses as much as digits as its factorization.

1031210320103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9823297.

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

Adding to 1031210320103 its reverse (3010230121301), we get a palindrome (4041440441404).

The spelling of 1031210320103 in words is "one trillion, thirty-one billion, two hundred ten million, three hundred twenty thousand, one hundred three".