197100131 has 8 divisors (see below), whose sum is σ = 201159504. Its totient is φ = 193073760.

The previous prime is 197100097. The next prime is 197100191. The reversal of 197100131 is 131001791.

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 197100131 - 2⁶ = 197100067 is a prime.

It is a super-2 number, since 2×197100131² = 77696923280434322, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 197100097 and 197100106.

It is not an unprimeable number, because it can be changed into a prime (197100191) 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, 4001 + ... + 20253.

It is an arithmetic number, because the mean of its divisors is an integer number (25144938).

Almost surely, 2^197100131 is an apocalyptic number.

197100131 is a deficient number, since it is larger than the sum of its proper divisors (4059373).

197100131 is a wasteful number, since it uses less digits than its factorization.

197100131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16501.

The product of its (nonzero) digits is 189, while the sum is 23.

The square root of 197100131 is about 14039.2354136541. The cubic root of 197100131 is about 581.9633533055.

The spelling of 197100131 in words is "one hundred ninety-seven million, one hundred thousand, one hundred thirty-one".