1303002031213 has 2 divisors, whose sum is σ = 1303002031214. Its totient is φ = 1303002031212.

The previous prime is 1303002031169. The next prime is 1303002031223. The reversal of 1303002031213 is 3121302003031.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1262326402089 + 40675629124 = 1123533^2 + 201682^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303002031213 - 2²⁵ = 1302968476781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1303002031223) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 651501015606 + 651501015607.

It is an arithmetic number, because the mean of its divisors is an integer number (651501015607).

Almost surely, 2^{1303002031213} is an apocalyptic number.

It is an amenable number.

1303002031213 is a deficient number, since it is larger than the sum of its proper divisors (1).

1303002031213 is an equidigital number, since it uses as much as digits as its factorization.

1303002031213 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 1303002031213 its reverse (3121302003031), we get a palindrome (4424304034244).

The spelling of 1303002031213 in words is "one trillion, three hundred three billion, two million, thirty-one thousand, two hundred thirteen".