1311032012313 has 16 divisors (see below), whose sum is σ = 1756830052352. Its totient is φ = 869636250000.

The previous prime is 1311032012291. The next prime is 1311032012371. The reversal of 1311032012313 is 3132102301131.

It is a happy number.

It is not a de Polignac number, because 1311032012313 - 2²⁹ = 1310495141401 is a prime.

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 1311032012313.

It is not an unprimeable number, because it can be changed into a prime (1311032012813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 463063 + ... + 1684188.

It is an arithmetic number, because the mean of its divisors is an integer number (109801878272).

Almost surely, 2^{1311032012313} is an apocalyptic number.

It is an amenable number.

1311032012313 is a deficient number, since it is larger than the sum of its proper divisors (445798040039).

1311032012313 is a wasteful number, since it uses less digits than its factorization.

1311032012313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2148276.

The product of its (nonzero) digits is 324, while the sum is 21.

Adding to 1311032012313 its reverse (3132102301131), we get a palindrome (4443134313444).

The spelling of 1311032012313 in words is "one trillion, three hundred eleven billion, thirty-two million, twelve thousand, three hundred thirteen".