197531113 has 8 divisors (see below), whose sum is σ = 213046848. Its totient is φ = 182061264.

The previous prime is 197531111. The next prime is 197531137. The reversal of 197531113 is 311135791.

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

It is a cyclic number.

It is not a de Polignac number, because 197531113 - 2¹ = 197531111 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197531111) 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, 2245 + ... + 20002.

It is an arithmetic number, because the mean of its divisors is an integer number (26630856).

Almost surely, 2^197531113 is an apocalyptic number.

197531113 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

It is an amenable number.

197531113 is a deficient number, since it is larger than the sum of its proper divisors (15515735).

197531113 is a wasteful number, since it uses less digits than its factorization.

197531113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22943.

The product of its digits is 2835, while the sum is 31.

The square root of 197531113 is about 14054.5762298264. The cubic root of 197531113 is about 582.3872210084.

The spelling of 197531113 in words is "one hundred ninety-seven million, five hundred thirty-one thousand, one hundred thirteen".