312419077 has 2 divisors, whose sum is σ = 312419078. Its totient is φ = 312419076.

The previous prime is 312419069. The next prime is 312419087. The reversal of 312419077 is 770914213.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 306915361 + 5503716 = 17519^2 + 2346^2 .

It is a cyclic number.

It is not a de Polignac number, because 312419077 - 2³ = 312419069 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312419017) 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, 156209538 + 156209539.

It is an arithmetic number, because the mean of its divisors is an integer number (156209539).

Almost surely, 2^312419077 is an apocalyptic number.

It is an amenable number.

312419077 is a deficient number, since it is larger than the sum of its proper divisors (1).

312419077 is an equidigital number, since it uses as much as digits as its factorization.

312419077 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10584, while the sum is 34.

The square root of 312419077 is about 17675.3805333860. The cubic root of 312419077 is about 678.5458234074.

It can be divided in two parts, 3124 and 19077, that added together give a square (22201 = 149²).

The spelling of 312419077 in words is "three hundred twelve million, four hundred nineteen thousand, seventy-seven".