203110000020313 has 2 divisors, whose sum is σ = 203110000020314. Its totient is φ = 203110000020312.

The previous prime is 203110000020299. The next prime is 203110000020329. The reversal of 203110000020313 is 313020000011302.

It is an a-pointer prime, because the next prime (203110000020329) can be obtained adding 203110000020313 to its sum of digits (16).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 201533599240009 + 1576400780304 = 14196253^2 + 1255548^2 .

It is a cyclic number.

It is not a de Polignac number, because 203110000020313 - 2¹³ = 203110000012121 is a prime.

It is not a weakly prime, because it can be changed into another prime (203110000024313) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 101555000010156 + 101555000010157.

It is an arithmetic number, because the mean of its divisors is an integer number (101555000010157).

Almost surely, 2^{203110000020313} is an apocalyptic number.

It is an amenable number.

203110000020313 is a deficient number, since it is larger than the sum of its proper divisors (1).

203110000020313 is an equidigital number, since it uses as much as digits as its factorization.

203110000020313 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108, while the sum is 16.

Adding to 203110000020313 its reverse (313020000011302), we get a palindrome (516130000031615).

The spelling of 203110000020313 in words is "two hundred three trillion, one hundred ten billion, twenty thousand, three hundred thirteen".