1311230312097 has 8 divisors (see below), whose sum is σ = 1748363893920. Its totient is φ = 874125135840.

The previous prime is 1311230312089. The next prime is 1311230312123. The reversal of 1311230312097 is 7902130321131.

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

It is not a de Polignac number, because 1311230312097 - 2³ = 1311230312089 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1311230312017) 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, 6993447 + ... + 7178492.

It is an arithmetic number, because the mean of its divisors is an integer number (218545486740).

Almost surely, 2^{1311230312097} is an apocalyptic number.

It is an amenable number.

1311230312097 is a deficient number, since it is larger than the sum of its proper divisors (437133581823).

1311230312097 is a wasteful number, since it uses less digits than its factorization.

1311230312097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14202783.

The product of its (nonzero) digits is 6804, while the sum is 33.

The spelling of 1311230312097 in words is "one trillion, three hundred eleven billion, two hundred thirty million, three hundred twelve thousand, ninety-seven".