1302001313 has 4 divisors (see below), whose sum is σ = 1346897940. Its totient is φ = 1257104688.

The previous prime is 1302001301. The next prime is 1302001331. The reversal of 1302001313 is 3131002031.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1022208784 + 279792529 = 31972^2 + 16727^2 .

It is a cyclic number.

It is not a de Polignac number, because 1302001313 - 2¹² = 1301997217 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1302001373) 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, 22448270 + ... + 22448327.

It is an arithmetic number, because the mean of its divisors is an integer number (336724485).

Almost surely, 2^1302001313 is an apocalyptic number.

It is an amenable number.

1302001313 is a deficient number, since it is larger than the sum of its proper divisors (44896627).

1302001313 is an equidigital number, since it uses as much as digits as its factorization.

1302001313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44896626.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1302001313 is about 36083.2552993767. The cubic root of 1302001313 is about 1091.9526520034.

Adding to 1302001313 its reverse (3131002031), we get a palindrome (4433003344).

The spelling of 1302001313 in words is "one billion, three hundred two million, one thousand, three hundred thirteen".