1310000213201 has 2 divisors, whose sum is σ = 1310000213202. Its totient is φ = 1310000213200.

The previous prime is 1310000213143. The next prime is 1310000213209. The reversal of 1310000213201 is 1023120000131.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1308790912576 + 1209300625 = 1144024^2 + 34775^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1310000213201 is a prime.

It is a super-2 number, since 2×1310000213201² (a number of 25 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1310000213209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655000106600 + 655000106601.

It is an arithmetic number, because the mean of its divisors is an integer number (655000106601).

Almost surely, 2^{1310000213201} is an apocalyptic number.

It is an amenable number.

1310000213201 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310000213201 is an equidigital number, since it uses as much as digits as its factorization.

1310000213201 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 14.

Adding to 1310000213201 its reverse (1023120000131), we get a palindrome (2333120213332).

The spelling of 1310000213201 in words is "one trillion, three hundred ten billion, two hundred thirteen thousand, two hundred one".