1302202120313 has 2 divisors, whose sum is σ = 1302202120314. Its totient is φ = 1302202120312.

The previous prime is 1302202120273. The next prime is 1302202120333. The reversal of 1302202120313 is 3130212022031.

It is an a-pointer prime, because the next prime (1302202120333) can be obtained adding 1302202120313 to its sum of digits (20).

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1145225303104 + 156976817209 = 1070152^2 + 396203^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302202120313 - 2⁸ = 1302202120057 is a prime.

It is not a weakly prime, because it can be changed into another prime (1302202120333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651101060156 + 651101060157.

It is an arithmetic number, because the mean of its divisors is an integer number (651101060157).

Almost surely, 2^{1302202120313} is an apocalyptic number.

It is an amenable number.

1302202120313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1302202120313 is an equidigital number, since it uses as much as digits as its factorization.

1302202120313 is an evil number, because the sum of its binary digits is even.

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

Adding to 1302202120313 its reverse (3130212022031), we get a palindrome (4432414142344).

The spelling of 1302202120313 in words is "one trillion, three hundred two billion, two hundred two million, one hundred twenty thousand, three hundred thirteen".