1303213020101 has 2 divisors, whose sum is σ = 1303213020102. Its totient is φ = 1303213020100.

The previous prime is 1303213020041. The next prime is 1303213020113. The reversal of 1303213020101 is 1010203123031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1260612472900 + 42600547201 = 1122770^2 + 206399^2 .

It is an emirp because it is prime and its reverse (1010203123031) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1303213020101 - 2³⁰ = 1302139278277 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1303213020101.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303213020301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651606510050 + 651606510051.

It is an arithmetic number, because the mean of its divisors is an integer number (651606510051).

Almost surely, 2^{1303213020101} is an apocalyptic number.

It is an amenable number.

1303213020101 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303213020101 is an equidigital number, since it uses as much as digits as its factorization.

1303213020101 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 1303213020101 its reverse (1010203123031), we get a palindrome (2313416143132).

The spelling of 1303213020101 in words is "one trillion, three hundred three billion, two hundred thirteen million, twenty thousand, one hundred one".