197315310 has 32 divisors (see below), whose sum is σ = 488835072. Its totient is φ = 50919840.

The previous prime is 197315309. The next prime is 197315357. The reversal of 197315310 is 13513791.

It is a happy number.

It is a super-2 number, since 2×197315310² = 77866663120792200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 105154 + ... + 107013.

It is an arithmetic number, because the mean of its divisors is an integer number (15276096).

Almost surely, 2^197315310 is an apocalyptic number.

197315310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

197315310 is an abundant number, since it is smaller than the sum of its proper divisors (291519762).

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

197315310 is a wasteful number, since it uses less digits than its factorization.

197315310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212208.

The product of its (nonzero) digits is 2835, while the sum is 30.

The square root of 197315310 is about 14046.8968103279. The cubic root of 197315310 is about 582.1750574590.

The spelling of 197315310 in words is "one hundred ninety-seven million, three hundred fifteen thousand, three hundred ten".