315197212 has 48 divisors (see below), whose sum is σ = 630604800. Its totient is φ = 136540800.

The previous prime is 315197209. The next prime is 315197219. The reversal of 315197212 is 212791513.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (315197219) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 89664 + ... + 93112.

It is an arithmetic number, because the mean of its divisors is an integer number (13137600).

Almost surely, 2^315197212 is an apocalyptic number.

It is an amenable number.

315197212 is an abundant number, since it is smaller than the sum of its proper divisors (315407588).

315197212 is a wasteful number, since it uses less digits than its factorization.

315197212 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3562 (or 3560 counting only the distinct ones).

The product of its digits is 3780, while the sum is 31.

The square root of 315197212 is about 17753.7942986844. The cubic root of 315197212 is about 680.5511765352.

The spelling of 315197212 in words is "three hundred fifteen million, one hundred ninety-seven thousand, two hundred twelve".