1311032211109 has 8 divisors (see below), whose sum is σ = 1380818975040. Its totient is φ = 1242310894176.

The previous prime is 1311032211043. The next prime is 1311032211157. The reversal of 1311032211109 is 9011122301131.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 1311032211109 - 2⁹ = 1311032210597 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 (1311032211199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 266359224 + ... + 266364145.

It is an arithmetic number, because the mean of its divisors is an integer number (172602371880).

Almost surely, 2^{1311032211109} is an apocalyptic number.

It is an amenable number.

1311032211109 is a deficient number, since it is larger than the sum of its proper divisors (69786763931).

1311032211109 is a wasteful number, since it uses less digits than its factorization.

1311032211109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532723499.

The product of its (nonzero) digits is 324, while the sum is 25.

The spelling of 1311032211109 in words is "one trillion, three hundred eleven billion, thirty-two million, two hundred eleven thousand, one hundred nine".