197104031 has 2 divisors, whose sum is σ = 197104032. Its totient is φ = 197104030.

The previous prime is 197104007. The next prime is 197104049. The reversal of 197104031 is 130401791.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-197104031 is a prime.

It is a super-2 number, since 2×197104031² = 77699998072897922, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (197104051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 98552015 + 98552016.

It is an arithmetic number, because the mean of its divisors is an integer number (98552016).

Almost surely, 2^197104031 is an apocalyptic number.

197104031 is a deficient number, since it is larger than the sum of its proper divisors (1).

197104031 is an equidigital number, since it uses as much as digits as its factorization.

197104031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 756, while the sum is 26.

The square root of 197104031 is about 14039.3743094199. The cubic root of 197104031 is about 581.9671916966.

The spelling of 197104031 in words is "one hundred ninety-seven million, one hundred four thousand, thirty-one".