312465501487 has 2 divisors, whose sum is σ = 312465501488. Its totient is φ = 312465501486.

The previous prime is 312465501479. The next prime is 312465501499. The reversal of 312465501487 is 784105564213.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 312465501487 - 2³ = 312465501479 is a prime.

It is a super-2 number, since 2×312465501487² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (312465501407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 156232750743 + 156232750744.

It is an arithmetic number, because the mean of its divisors is an integer number (156232750744).

Almost surely, 2^312465501487 is an apocalyptic number.

312465501487 is a deficient number, since it is larger than the sum of its proper divisors (1).

312465501487 is an equidigital number, since it uses as much as digits as its factorization.

312465501487 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 806400, while the sum is 46.

The spelling of 312465501487 in words is "three hundred twelve billion, four hundred sixty-five million, five hundred one thousand, four hundred eighty-seven".