312313103197 has 8 divisors (see below), whose sum is σ = 320787203000. Its totient is φ = 303840751104.

The previous prime is 312313103177. The next prime is 312313103209. The reversal of 312313103197 is 791301313213.

It can be written as a sum of positive squares in 4 ways, for example, as 81254072601 + 231059030596 = 285051^2 + 480686^2 .

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

It is not a de Polignac number, because 312313103197 - 2¹⁵ = 312313070429 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 (312313103177) 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, 70572 + ... + 793477.

It is an arithmetic number, because the mean of its divisors is an integer number (40098400375).

Almost surely, 2^312313103197 is an apocalyptic number.

312313103197 is a gapful number since it is divisible by the number (37) formed by its first and last digit.

It is an amenable number.

312313103197 is a deficient number, since it is larger than the sum of its proper divisors (8474099803).

312313103197 is an equidigital number, since it uses as much as digits as its factorization.

312313103197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873855.

The product of its (nonzero) digits is 10206, while the sum is 34.

The spelling of 312313103197 in words is "three hundred twelve billion, three hundred thirteen million, one hundred three thousand, one hundred ninety-seven".