1311443430213 has 24 divisors (see below), whose sum is σ = 2153727029952. Its totient is φ = 705314112384.

The previous prime is 1311443430131. The next prime is 1311443430239. The reversal of 1311443430213 is 3120343441131.

It is not a de Polignac number, because 1311443430213 - 2¹⁰ = 1311443429189 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1311443430313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 262391145 + ... + 262396142.

It is an arithmetic number, because the mean of its divisors is an integer number (89738626248).

Almost surely, 2^{1311443430213} is an apocalyptic number.

It is an amenable number.

1311443430213 is a deficient number, since it is larger than the sum of its proper divisors (842283599739).

1311443430213 is a wasteful number, since it uses less digits than its factorization.

1311443430213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 524787321 (or 524787314 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 30.

Adding to 1311443430213 its reverse (3120343441131), we get a palindrome (4431786871344).

The spelling of 1311443430213 in words is "one trillion, three hundred eleven billion, four hundred forty-three million, four hundred thirty thousand, two hundred thirteen".