1021203002313 has 24 divisors (see below), whose sum is σ = 1647372749568. Its totient is φ = 628432614864.

The previous prime is 1021203002273. The next prime is 1021203002329. The reversal of 1021203002313 is 3132003021201.

1021203002313 is a `hidden beast` number, since 10 + 2 + 120 + 300 + 231 + 3 = 666.

It is not a de Polignac number, because 1021203002313 - 2⁹ = 1021203001801 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1021203002363) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 161630745 + ... + 161637062.

It is an arithmetic number, because the mean of its divisors is an integer number (68640531232).

Almost surely, 2^{1021203002313} is an apocalyptic number.

1021203002313 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

1021203002313 is a deficient number, since it is larger than the sum of its proper divisors (626169747255).

1021203002313 is an equidigital number, since it uses as much as digits as its factorization.

1021203002313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 323267835 (or 323267823 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 1021203002313 its reverse (3132003021201), we get a palindrome (4153206023514).

The spelling of 1021203002313 in words is "one trillion, twenty-one billion, two hundred three million, two thousand, three hundred thirteen".