201310215013 has 2 divisors, whose sum is σ = 201310215014. Its totient is φ = 201310215012.

The previous prime is 201310214947. The next prime is 201310215019. The reversal of 201310215013 is 310512013102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 174617844129 + 26692370884 = 417873^2 + 163378^2 .

It is a cyclic number.

It is not a de Polignac number, because 201310215013 - 2¹⁷ = 201310083941 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (201310215019) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100655107506 + 100655107507.

It is an arithmetic number, because the mean of its divisors is an integer number (100655107507).

Almost surely, 2^201310215013 is an apocalyptic number.

It is an amenable number.

201310215013 is a deficient number, since it is larger than the sum of its proper divisors (1).

201310215013 is an equidigital number, since it uses as much as digits as its factorization.

201310215013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 180, while the sum is 19.

Adding to 201310215013 its reverse (310512013102), we get a palindrome (511822228115).

The spelling of 201310215013 in words is "two hundred one billion, three hundred ten million, two hundred fifteen thousand, thirteen".