315020212 has 24 divisors (see below), whose sum is σ = 599580072. Its totient is φ = 143952000.

The previous prime is 315020203. The next prime is 315020219. The reversal of 315020212 is 212020513.

It can be written as a sum of positive squares in 4 ways, for example, as 28259856 + 286760356 = 5316^2 + 16934^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315020219) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 24739 + ... + 35242.

It is an arithmetic number, because the mean of its divisors is an integer number (24982503).

Almost surely, 2^315020212 is an apocalyptic number.

It is an amenable number.

315020212 is a deficient number, since it is larger than the sum of its proper divisors (284559860).

315020212 is a wasteful number, since it uses less digits than its factorization.

315020212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 60099 (or 60097 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 315020212 is about 17748.8087487583. The cubic root of 315020212 is about 680.4237641211.

Adding to 315020212 its reverse (212020513), we get a palindrome (527040725).

The spelling of 315020212 in words is "three hundred fifteen million, twenty thousand, two hundred twelve".