231949293 has 8 divisors (see below), whose sum is σ = 313180800. Its totient is φ = 152675328.

The previous prime is 231949271. The next prime is 231949297. The reversal of 231949293 is 392949132.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 231949293 - 2⁶ = 231949229 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (231949297) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 489108 + ... + 489581.

It is an arithmetic number, because the mean of its divisors is an integer number (39147600).

Almost surely, 2^231949293 is an apocalyptic number.

It is an amenable number.

231949293 is a deficient number, since it is larger than the sum of its proper divisors (81231507).

231949293 is an equidigital number, since it uses as much as digits as its factorization.

231949293 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 978771.

The product of its digits is 104976, while the sum is 42.

The square root of 231949293 is about 15229.8815819428. The cubic root of 231949293 is about 614.4185952175.

The spelling of 231949293 in words is "two hundred thirty-one million, nine hundred forty-nine thousand, two hundred ninety-three".