10194731 has 2 divisors, whose sum is σ = 10194732. Its totient is φ = 10194730.

The previous prime is 10194707. The next prime is 10194733. The reversal of 10194731 is 13749101.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 10194731 - 2²² = 6000427 is a prime.

It is a super-2 number, since 2×10194731² = 207865080324722, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 10194733, it forms a pair of twin primes.

It is a Chen prime.

It is a self number, because there is not a number n which added to its sum of digits gives 10194731.

It is not a weakly prime, because it can be changed into another prime (10194733) by changing a digit.

It is a good prime.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5097365 + 5097366.

It is an arithmetic number, because the mean of its divisors is an integer number (5097366).

Almost surely, 2^10194731 is an apocalyptic number.

10194731 is a deficient number, since it is larger than the sum of its proper divisors (1).

10194731 is an equidigital number, since it uses as much as digits as its factorization.

10194731 is an evil number, because the sum of its binary digits is even.

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

The square root of 10194731 is about 3192.9188840307. The cubic root of 10194731 is about 216.8329392974.

The spelling of 10194731 in words is "ten million, one hundred ninety-four thousand, seven hundred thirty-one".