193350931 has 2 divisors, whose sum is σ = 193350932. Its totient is φ = 193350930.

The previous prime is 193350889. The next prime is 193350953. The reversal of 193350931 is 139053391.

It is a strong prime.

It is an emirp because it is prime and its reverse (139053391) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 193350931 - 2⁷ = 193350803 is a prime.

It is a super-2 number, since 2×193350931² = 74769165037133522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (193350961) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 96675465 + 96675466.

It is an arithmetic number, because the mean of its divisors is an integer number (96675466).

Almost surely, 2^193350931 is an apocalyptic number.

193350931 is a deficient number, since it is larger than the sum of its proper divisors (1).

193350931 is an equidigital number, since it uses as much as digits as its factorization.

193350931 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10935, while the sum is 34.

The square root of 193350931 is about 13905.0685363288. The cubic root of 193350931 is about 578.2497085184.

The spelling of 193350931 in words is "one hundred ninety-three million, three hundred fifty thousand, nine hundred thirty-one".