1312302133 has 8 divisors (see below), whose sum is σ = 1337720480. Its totient is φ = 1287055440.

The previous prime is 1312302067. The next prime is 1312302139. The reversal of 1312302133 is 3312032131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1312302133 - 2²⁹ = 775431221 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1312302133.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312302139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 27423 + ... + 58108.

It is an arithmetic number, because the mean of its divisors is an integer number (167215060).

Almost surely, 2^1312302133 is an apocalyptic number.

It is an amenable number.

1312302133 is a deficient number, since it is larger than the sum of its proper divisors (25418347).

1312302133 is an equidigital number, since it uses as much as digits as its factorization.

1312302133 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85827.

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

The square root of 1312302133 is about 36225.7109385033. The cubic root of 1312302133 is about 1094.8247623774.

Adding to 1312302133 its reverse (3312032131), we get a palindrome (4624334264).

The spelling of 1312302133 in words is "one billion, three hundred twelve million, three hundred two thousand, one hundred thirty-three".