302123321311213 has 6 divisors (see below), whose sum is σ = 308688246357806. Its totient is φ = 295695165536472.

The previous prime is 302123321311169. The next prime is 302123321311219. The reversal of 302123321311213 is 312113123321203.

It can be written as a sum of positive squares in only one way, i.e., 246565931046724 + 55557390264489 = 15702418^2 + 7453683^2 .

It is not a de Polignac number, because 302123321311213 - 2¹⁷ = 302123321180141 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 (302123321311219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 68384633670 + ... + 68384638087.

Almost surely, 2^{302123321311213} is an apocalyptic number.

It is an amenable number.

302123321311213 is a deficient number, since it is larger than the sum of its proper divisors (6564925046593).

302123321311213 is an equidigital number, since it uses as much as digits as its factorization.

302123321311213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 136769271851 (or 136769271804 counting only the distinct ones).

The product of its (nonzero) digits is 3888, while the sum is 28.

Adding to 302123321311213 its reverse (312113123321203), we get a palindrome (614236444632416).

The spelling of 302123321311213 in words is "three hundred two trillion, one hundred twenty-three billion, three hundred twenty-one million, three hundred eleven thousand, two hundred thirteen".