197312106 has 8 divisors (see below), whose sum is σ = 394624224. Its totient is φ = 65770700.

The previous prime is 197312099. The next prime is 197312111. The reversal of 197312106 is 601213791.

It is a sphenic number, since it is the product of 3 distinct primes.

197312106 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16442670 + ... + 16442681.

It is an arithmetic number, because the mean of its divisors is an integer number (49328028).

Almost surely, 2^197312106 is an apocalyptic number.

197312106 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

197312106 is a wasteful number, since it uses less digits than its factorization.

197312106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32885356.

The product of its (nonzero) digits is 2268, while the sum is 30.

The square root of 197312106 is about 14046.7827633234. The cubic root of 197312106 is about 582.1719063284.

Adding to 197312106 its reverse (601213791), we get a palindrome (798525897).

The spelling of 197312106 in words is "one hundred ninety-seven million, three hundred twelve thousand, one hundred six".