312300197 has 4 divisors (see below), whose sum is σ = 340691136. Its totient is φ = 283909260.

The previous prime is 312300173. The next prime is 312300211. The reversal of 312300197 is 791003213.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 312300197 - 2¹⁸ = 312038053 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 (312300167) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14195453 + ... + 14195474.

It is an arithmetic number, because the mean of its divisors is an integer number (85172784).

Almost surely, 2^312300197 is an apocalyptic number.

It is an amenable number.

312300197 is a deficient number, since it is larger than the sum of its proper divisors (28390939).

312300197 is a wasteful number, since it uses less digits than its factorization.

312300197 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28390938.

The product of its (nonzero) digits is 1134, while the sum is 26.

The square root of 312300197 is about 17672.0173438122. The cubic root of 312300197 is about 678.4597469724.

The spelling of 312300197 in words is "three hundred twelve million, three hundred thousand, one hundred ninety-seven".