10091194031 has 2 divisors, whose sum is σ = 10091194032. Its totient is φ = 10091194030.

The previous prime is 10091194027. The next prime is 10091194037. The reversal of 10091194031 is 13049119001.

It is a weak prime.

It is an emirp because it is prime and its reverse (13049119001) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 10091194031 - 2² = 10091194027 is a prime.

It is a super-2 number, since 2×10091194031² (a number of 21 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 10091193985 and 10091194003.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10091194037) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5045597015 + 5045597016.

It is an arithmetic number, because the mean of its divisors is an integer number (5045597016).

Almost surely, 2^10091194031 is an apocalyptic number.

10091194031 is a deficient number, since it is larger than the sum of its proper divisors (1).

10091194031 is an equidigital number, since it uses as much as digits as its factorization.

10091194031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 972, while the sum is 29.

The spelling of 10091194031 in words is "ten billion, ninety-one million, one hundred ninety-four thousand, thirty-one".