194794031 has 2 divisors, whose sum is σ = 194794032. Its totient is φ = 194794030.

The previous prime is 194793979. The next prime is 194794057. The reversal of 194794031 is 130497491.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 194794031 - 2¹⁰ = 194793007 is a prime.

It is a super-2 number, since 2×194794031² = 75889429026457922, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (194794081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97397015 + 97397016.

It is an arithmetic number, because the mean of its divisors is an integer number (97397016).

Almost surely, 2^194794031 is an apocalyptic number.

194794031 is a deficient number, since it is larger than the sum of its proper divisors (1).

194794031 is an equidigital number, since it uses as much as digits as its factorization.

194794031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 194794031 is about 13956.8632220854. The cubic root of 194794031 is about 579.6847583381.

The spelling of 194794031 in words is "one hundred ninety-four million, seven hundred ninety-four thousand, thirty-one".