1311312023097 has 8 divisors (see below), whose sum is σ = 1764456545280. Its totient is φ = 866187758160.

The previous prime is 1311312023051. The next prime is 1311312023113. The reversal of 1311312023097 is 7903202131131.

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

It is not a de Polignac number, because 1311312023097 - 2¹² = 1311312019001 is a prime.

It is a super-2 number, since 2×1311312023097² (a number of 25 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1311312023017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2005063929 + ... + 2005064582.

It is an arithmetic number, because the mean of its divisors is an integer number (220557068160).

Almost surely, 2^{1311312023097} is an apocalyptic number.

It is an amenable number.

1311312023097 is a deficient number, since it is larger than the sum of its proper divisors (453144522183).

1311312023097 is a wasteful number, since it uses less digits than its factorization.

1311312023097 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4010128623.

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

The spelling of 1311312023097 in words is "one trillion, three hundred eleven billion, three hundred twelve million, twenty-three thousand, ninety-seven".