197671111100131 has 4 divisors (see below), whose sum is σ = 197787868993792. Its totient is φ = 197554353206472.

The previous prime is 197671111100129. The next prime is 197671111100189. The reversal of 197671111100131 is 131001111176791.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 197671111100131 - 2¹ = 197671111100129 is a prime.

It is a super-2 number, since 2×197671111100131² (a number of 29 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (197671111100191) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58378944291 + ... + 58378947676.

It is an arithmetic number, because the mean of its divisors is an integer number (49446967248448).

Almost surely, 2^{197671111100131} is an apocalyptic number.

197671111100131 is a deficient number, since it is larger than the sum of its proper divisors (116757893661).

197671111100131 is a wasteful number, since it uses less digits than its factorization.

197671111100131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116757893660.

The product of its (nonzero) digits is 7938, while the sum is 40.

The spelling of 197671111100131 in words is "one hundred ninety-seven trillion, six hundred seventy-one billion, one hundred eleven million, one hundred thousand, one hundred thirty-one".