312554117 has 2 divisors, whose sum is σ = 312554118. Its totient is φ = 312554116.

The previous prime is 312554113. The next prime is 312554131. The reversal of 312554117 is 711455213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 283888801 + 28665316 = 16849^2 + 5354^2 .

It is a cyclic number.

It is not a de Polignac number, because 312554117 - 2² = 312554113 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 312554117.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312554113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156277058 + 156277059.

It is an arithmetic number, because the mean of its divisors is an integer number (156277059).

Almost surely, 2^312554117 is an apocalyptic number.

It is an amenable number.

312554117 is a deficient number, since it is larger than the sum of its proper divisors (1).

312554117 is an equidigital number, since it uses as much as digits as its factorization.

312554117 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4200, while the sum is 29.

The square root of 312554117 is about 17679.2001233087. The cubic root of 312554117 is about 678.6435741912.

The spelling of 312554117 in words is "three hundred twelve million, five hundred fifty-four thousand, one hundred seventeen".