1230000202313 has 4 divisors (see below), whose sum is σ = 1231024350228. Its totient is φ = 1228976054400.

The previous prime is 1230000202303. The next prime is 1230000202331. The reversal of 1230000202313 is 3132020000321.

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

It can be written as a sum of positive squares in 2 ways, for example, as 180588451849 + 1049411750464 = 424957^2 + 1024408^2 .

It is a cyclic number.

It is not a de Polignac number, because 1230000202313 - 2²² = 1229996008009 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1230000202291 and 1230000202300.

It is not an unprimeable number, because it can be changed into a prime (1230000202303) 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 3 ways as a sum of consecutive naturals, for example, 512072156 + ... + 512074557.

It is an arithmetic number, because the mean of its divisors is an integer number (307756087557).

Almost surely, 2^{1230000202313} is an apocalyptic number.

It is an amenable number.

1230000202313 is a deficient number, since it is larger than the sum of its proper divisors (1024147915).

1230000202313 is a wasteful number, since it uses less digits than its factorization.

1230000202313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024147914.

The product of its (nonzero) digits is 216, while the sum is 17.

Adding to 1230000202313 its reverse (3132020000321), we get a palindrome (4362020202634).

The spelling of 1230000202313 in words is "one trillion, two hundred thirty billion, two hundred two thousand, three hundred thirteen".