1312331301301 has 4 divisors (see below), whose sum is σ = 1313506173772. Its totient is φ = 1311156428832.

The previous prime is 1312331301293. The next prime is 1312331301343. The reversal of 1312331301301 is 1031031332131.

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 745457833201 + 566873468100 = 863399^2 + 752910^2 .

It is a cyclic number.

It is not a de Polignac number, because 1312331301301 - 2³ = 1312331301293 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1312331311301) 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, 587434560 + ... + 587436793.

It is an arithmetic number, because the mean of its divisors is an integer number (328376543443).

Almost surely, 2^{1312331301301} is an apocalyptic number.

It is an amenable number.

1312331301301 is a deficient number, since it is larger than the sum of its proper divisors (1174872471).

1312331301301 is a wasteful number, since it uses less digits than its factorization.

1312331301301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174872470.

The product of its (nonzero) digits is 486, while the sum is 22.

Adding to 1312331301301 its reverse (1031031332131), we get a palindrome (2343362633432).

The spelling of 1312331301301 in words is "one trillion, three hundred twelve billion, three hundred thirty-one million, three hundred one thousand, three hundred one".