315021419 has 2 divisors, whose sum is σ = 315021420. Its totient is φ = 315021418.

The previous prime is 315021361. The next prime is 315021439. The reversal of 315021419 is 914120513.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 315021419 - 2¹² = 315017323 is a prime.

It is a super-2 number, since 2×315021419² = 198476988857547122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (315021439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 157510709 + 157510710.

It is an arithmetic number, because the mean of its divisors is an integer number (157510710).

Almost surely, 2^315021419 is an apocalyptic number.

315021419 is a deficient number, since it is larger than the sum of its proper divisors (1).

315021419 is an equidigital number, since it uses as much as digits as its factorization.

315021419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1080, while the sum is 26.

The square root of 315021419 is about 17748.8427510077. The cubic root of 315021419 is about 680.4246331346.

The spelling of 315021419 in words is "three hundred fifteen million, twenty-one thousand, four hundred nineteen".