1283203285327 has 4 divisors (see below), whose sum is σ = 1284766262136. Its totient is φ = 1281640308520.

The previous prime is 1283203285313. The next prime is 1283203285337. The reversal of 1283203285327 is 7235823023821.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 1283203285327 - 2¹¹ = 1283203283279 is a prime.

It is a super-2 number, since 2×1283203285327² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1283203285307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 781487173 + ... + 781488814.

It is an arithmetic number, because the mean of its divisors is an integer number (321191565534).

Almost surely, 2^{1283203285327} is an apocalyptic number.

1283203285327 is a deficient number, since it is larger than the sum of its proper divisors (1562976809).

1283203285327 is an equidigital number, since it uses as much as digits as its factorization.

1283203285327 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1562976808.

The product of its (nonzero) digits is 967680, while the sum is 46.

The spelling of 1283203285327 in words is "one trillion, two hundred eighty-three billion, two hundred three million, two hundred eighty-five thousand, three hundred twenty-seven".