312750083 has 2 divisors, whose sum is σ = 312750084. Its totient is φ = 312750082.

The previous prime is 312750077. The next prime is 312750107. The reversal of 312750083 is 380057213.

It is a weak prime.

It is an emirp because it is prime and its reverse (380057213) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 312750083 - 2¹⁸ = 312487939 is a prime.

It is a super-2 number, since 2×312750083² = 195625228833013778, which contains 22 as substring.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (312750023) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156375041 + 156375042.

It is an arithmetic number, because the mean of its divisors is an integer number (156375042).

Almost surely, 2^312750083 is an apocalyptic number.

312750083 is a deficient number, since it is larger than the sum of its proper divisors (1).

312750083 is an equidigital number, since it uses as much as digits as its factorization.

312750083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5040, while the sum is 29.

The square root of 312750083 is about 17684.7415304833. The cubic root of 312750083 is about 678.7853771354.

The spelling of 312750083 in words is "three hundred twelve million, seven hundred fifty thousand, eighty-three".