315421199 has 4 divisors (see below), whose sum is σ = 316170840. Its totient is φ = 314671560.

The previous prime is 315421181. The next prime is 315421207. The reversal of 315421199 is 991124513.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-315421199 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315421129) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 374189 + ... + 375030.

It is an arithmetic number, because the mean of its divisors is an integer number (79042710).

Almost surely, 2^315421199 is an apocalyptic number.

315421199 is a deficient number, since it is larger than the sum of its proper divisors (749641).

315421199 is an equidigital number, since it uses as much as digits as its factorization.

315421199 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 749640.

The product of its digits is 9720, while the sum is 35.

The square root of 315421199 is about 17760.1013229092. The cubic root of 315421199 is about 680.7123439111.

The spelling of 315421199 in words is "three hundred fifteen million, four hundred twenty-one thousand, one hundred ninety-nine".