1030300312121 has 8 divisors (see below), whose sum is σ = 1092685842504. Its totient is φ = 968112518400.

The previous prime is 1030300312117. The next prime is 1030300312147. The reversal of 1030300312121 is 1212130030301.

It can be written as a sum of positive squares in 4 ways, for example, as 245639184400 + 784661127721 = 495620^2 + 885811^2 .

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

It is not a de Polignac number, because 1030300312121 - 2² = 1030300312117 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1030300312121.

It is not an unprimeable number, because it can be changed into a prime (1030300332121) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49423430 + ... + 49444271.

It is an arithmetic number, because the mean of its divisors is an integer number (136585730313).

Almost surely, 2^{1030300312121} is an apocalyptic number.

It is an amenable number.

1030300312121 is a deficient number, since it is larger than the sum of its proper divisors (62385530383).

1030300312121 is an equidigital number, since it uses as much as digits as its factorization.

1030300312121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 98868331.

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

Adding to 1030300312121 its reverse (1212130030301), we get a palindrome (2242430342422).

The spelling of 1030300312121 in words is "one trillion, thirty billion, three hundred million, three hundred twelve thousand, one hundred twenty-one".