315103214 has 4 divisors (see below), whose sum is σ = 472654824. Its totient is φ = 157551606.

The previous prime is 315103199. The next prime is 315103223. The reversal of 315103214 is 412301513.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 412301513 = 13 ⋅31715501.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 78775802 + ... + 78775805.

It is an arithmetic number, because the mean of its divisors is an integer number (118163706).

Almost surely, 2^315103214 is an apocalyptic number.

315103214 is a deficient number, since it is larger than the sum of its proper divisors (157551610).

315103214 is a wasteful number, since it uses less digits than its factorization.

315103214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157551609.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 315103214 is about 17751.1468361906. The cubic root of 315103214 is about 680.4835185661.

Adding to 315103214 its reverse (412301513), we get a palindrome (727404727).

The spelling of 315103214 in words is "three hundred fifteen million, one hundred three thousand, two hundred fourteen".