312034447 has 2 divisors, whose sum is σ = 312034448. Its totient is φ = 312034446.

The previous prime is 312034423. The next prime is 312034451. The reversal of 312034447 is 744430213.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 312034447 - 2⁷ = 312034319 is a prime.

It is a super-2 number, since 2×312034447² = 194730992229191618, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312034417) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156017223 + 156017224.

It is an arithmetic number, because the mean of its divisors is an integer number (156017224).

Almost surely, 2^312034447 is an apocalyptic number.

312034447 is a deficient number, since it is larger than the sum of its proper divisors (1).

312034447 is an equidigital number, since it uses as much as digits as its factorization.

312034447 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8064, while the sum is 28.

The square root of 312034447 is about 17664.4967944179. The cubic root of 312034447 is about 678.2672485946.

It can be divided in two parts, 312034 and 447, that added together give a square (312481 = 559²).

The spelling of 312034447 in words is "three hundred twelve million, thirty-four thousand, four hundred forty-seven".