1311323232113 has 16 divisors (see below), whose sum is σ = 1374575161344. Its totient is φ = 1249401376080.

The previous prime is 1311323232101. The next prime is 1311323232119. The reversal of 1311323232113 is 3112323231131.

It is a cyclic number.

It is not a de Polignac number, because 1311323232113 - 2⁶ = 1311323232049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1311323232119) 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, 3665306 + ... + 4007132.

It is an arithmetic number, because the mean of its divisors is an integer number (85910947584).

Almost surely, 2^{1311323232113} is an apocalyptic number.

It is an amenable number.

1311323232113 is a deficient number, since it is larger than the sum of its proper divisors (63251929231).

1311323232113 is a wasteful number, since it uses less digits than its factorization.

1311323232113 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 343772.

The product of its digits is 1944, while the sum is 26.

Adding to 1311323232113 its reverse (3112323231131), we get a palindrome (4423646463244).

The spelling of 1311323232113 in words is "one trillion, three hundred eleven billion, three hundred twenty-three million, two hundred thirty-two thousand, one hundred thirteen".