1311230200115 has 72 divisors (see below), whose sum is σ = 1773404859312. Its totient is φ = 922703483520.

The previous prime is 1311230200103. The next prime is 1311230200139. The reversal of 1311230200115 is 5110020321131.

It is not a de Polignac number, because 1311230200115 - 2⁶ = 1311230200051 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 7851677762 + ... + 7851677928.

It is an arithmetic number, because the mean of its divisors is an integer number (24630623046).

Almost surely, 2^{1311230200115} is an apocalyptic number.

1311230200115 is a deficient number, since it is larger than the sum of its proper divisors (462174659197).

1311230200115 is an equidigital number, since it uses as much as digits as its factorization.

1311230200115 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 657 (or 363 counting only the distinct ones).

The product of its (nonzero) digits is 180, while the sum is 20.

Adding to 1311230200115 its reverse (5110020321131), we get a palindrome (6421250521246).

The spelling of 1311230200115 in words is "one trillion, three hundred eleven billion, two hundred thirty million, two hundred thousand, one hundred fifteen".