202312120313 has 2 divisors, whose sum is σ = 202312120314. Its totient is φ = 202312120312.

The previous prime is 202312120273. The next prime is 202312120321. The reversal of 202312120313 is 313021213202.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 199949382649 + 2362737664 = 447157^2 + 48608^2 .

It is a cyclic number.

It is not a de Polignac number, because 202312120313 - 2⁸ = 202312120057 is a prime.

It is not a weakly prime, because it can be changed into another prime (202342120313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101156060156 + 101156060157.

It is an arithmetic number, because the mean of its divisors is an integer number (101156060157).

Almost surely, 2^202312120313 is an apocalyptic number.

It is an amenable number.

202312120313 is a deficient number, since it is larger than the sum of its proper divisors (1).

202312120313 is an equidigital number, since it uses as much as digits as its factorization.

202312120313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 432, while the sum is 20.

Adding to 202312120313 its reverse (313021213202), we get a palindrome (515333333515).

The spelling of 202312120313 in words is "two hundred two billion, three hundred twelve million, one hundred twenty thousand, three hundred thirteen".