1283203285313 has 2 divisors, whose sum is σ = 1283203285314. Its totient is φ = 1283203285312.

The previous prime is 1283203285307. The next prime is 1283203285337. The reversal of 1283203285313 is 3135823023821.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 789011157169 + 494192128144 = 888263^2 + 702988^2 .

It is a cyclic number.

It is not a de Polignac number, because 1283203285313 - 2¹⁴ = 1283203268929 is a prime.

It is a super-2 number, since 2×1283203285313² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1283203285303) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 641601642656 + 641601642657.

It is an arithmetic number, because the mean of its divisors is an integer number (641601642657).

Almost surely, 2^{1283203285313} is an apocalyptic number.

It is an amenable number.

1283203285313 is a deficient number, since it is larger than the sum of its proper divisors (1).

1283203285313 is an equidigital number, since it uses as much as digits as its factorization.

1283203285313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 207360, while the sum is 41.

The spelling of 1283203285313 in words is "one trillion, two hundred eighty-three billion, two hundred three million, two hundred eighty-five thousand, three hundred thirteen".