193231 has 4 divisors (see below), whose sum is σ = 195952. Its totient is φ = 190512.

The previous prime is 193201. The next prime is 193243. The reversal of 193231 is 132391.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 132391 = 7 ⋅18913.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-193231 is a prime.

It is a super-2 number, since 2×193231² = 74676438722, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 193199 and 193208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (193201) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1251 + ... + 1396.

It is an arithmetic number, because the mean of its divisors is an integer number (48988).

2¹⁹³²³¹ is an apocalyptic number.

193231 is a deficient number, since it is larger than the sum of its proper divisors (2721).

193231 is an equidigital number, since it uses as much as digits as its factorization.

193231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2720.

The product of its digits is 162, while the sum is 19.

The square root of 193231 is about 439.5804818233. The cubic root of 193231 is about 57.8130125594.

It can be divided in two parts, 193 and 231, that added together give a palindrome (424).

The spelling of 193231 in words is "one hundred ninety-three thousand, two hundred thirty-one".