193229131 has 2 divisors, whose sum is σ = 193229132. Its totient is φ = 193229130.

The previous prime is 193229083. The next prime is 193229219. The reversal of 193229131 is 131922391.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 193229131 - 2¹⁵ = 193196363 is a prime.

It is a super-2 number, since 2×193229131² = 74674994134030322, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 193229093 and 193229102.

It is not a weakly prime, because it can be changed into another prime (193229431) 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, 96614565 + 96614566.

It is an arithmetic number, because the mean of its divisors is an integer number (96614566).

Almost surely, 2^193229131 is an apocalyptic number.

193229131 is a deficient number, since it is larger than the sum of its proper divisors (1).

193229131 is an equidigital number, since it uses as much as digits as its factorization.

193229131 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2916, while the sum is 31.

The square root of 193229131 is about 13900.6881484335. The cubic root of 193229131 is about 578.1282616266.

The spelling of 193229131 in words is "one hundred ninety-three million, two hundred twenty-nine thousand, one hundred thirty-one".