1311303001301 has 4 divisors (see below), whose sum is σ = 1311361477932. Its totient is φ = 1311244524672.

The previous prime is 1311303001273. The next prime is 1311303001331. The reversal of 1311303001301 is 1031003031131.

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 1030683831076 + 280619170225 = 1015226^2 + 529735^2 .

It is a cyclic number.

It is not a de Polignac number, because 1311303001301 - 2²⁶ = 1311235892437 is a prime.

It is a super-2 number, since 2×1311303001301² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1311303001301.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311303001331) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29204666 + ... + 29249531.

It is an arithmetic number, because the mean of its divisors is an integer number (327840369483).

Almost surely, 2^{1311303001301} is an apocalyptic number.

It is an amenable number.

1311303001301 is a deficient number, since it is larger than the sum of its proper divisors (58476631).

1311303001301 is an equidigital number, since it uses as much as digits as its factorization.

1311303001301 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58476630.

The product of its (nonzero) digits is 81, while the sum is 17.

Adding to 1311303001301 its reverse (1031003031131), we get a palindrome (2342306032432).

The spelling of 1311303001301 in words is "one trillion, three hundred eleven billion, three hundred three million, one thousand, three hundred one".