197683131 has 8 divisors (see below), whose sum is σ = 263649600. Its totient is φ = 131752712.

The previous prime is 197683117. The next prime is 197683139. The reversal of 197683131 is 131386791.

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 197683131 - 2⁶ = 197683067 is a prime.

It is a super-4 number, since 4×197683131⁴ (a number of 34 digits) contains 4444 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 197683131.

It is not an unprimeable number, because it can be changed into a prime (197683139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8836 + ... + 21758.

It is an arithmetic number, because the mean of its divisors is an integer number (32956200).

Almost surely, 2^197683131 is an apocalyptic number.

197683131 is a deficient number, since it is larger than the sum of its proper divisors (65966469).

197683131 is a wasteful number, since it uses less digits than its factorization.

197683131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18025.

The product of its digits is 27216, while the sum is 39.

The square root of 197683131 is about 14059.9833214695. The cubic root of 197683131 is about 582.5365825232.

The spelling of 197683131 in words is "one hundred ninety-seven million, six hundred eighty-three thousand, one hundred thirty-one".