195842831 has 2 divisors, whose sum is σ = 195842832. Its totient is φ = 195842830.

The previous prime is 195842827. The next prime is 195842863. The reversal of 195842831 is 138248591.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 195842831 - 2² = 195842827 is a prime.

It is a super-2 number, since 2×195842831² = 76708828908189122, 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 (195842891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97921415 + 97921416.

It is an arithmetic number, because the mean of its divisors is an integer number (97921416).

Almost surely, 2^195842831 is an apocalyptic number.

195842831 is a deficient number, since it is larger than the sum of its proper divisors (1).

195842831 is an equidigital number, since it uses as much as digits as its factorization.

195842831 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69120, while the sum is 41.

The square root of 195842831 is about 13994.3856956995. The cubic root of 195842831 is about 580.7232663525.

The spelling of 195842831 in words is "one hundred ninety-five million, eight hundred forty-two thousand, eight hundred thirty-one".