231450293 has 2 divisors, whose sum is σ = 231450294. Its totient is φ = 231450292.

The previous prime is 231450283. The next prime is 231450301. The reversal of 231450293 is 392054132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 152720164 + 78730129 = 12358^2 + 8873^2 .

It is a cyclic number.

It is not a de Polignac number, because 231450293 - 2¹⁰ = 231449269 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231450283) 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 as a sum of consecutive naturals, namely, 115725146 + 115725147.

It is an arithmetic number, because the mean of its divisors is an integer number (115725147).

Almost surely, 2^231450293 is an apocalyptic number.

It is an amenable number.

231450293 is a deficient number, since it is larger than the sum of its proper divisors (1).

231450293 is an equidigital number, since it uses as much as digits as its factorization.

231450293 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6480, while the sum is 29.

The square root of 231450293 is about 15213.4904936375. The cubic root of 231450293 is about 613.9776726913.

The spelling of 231450293 in words is "two hundred thirty-one million, four hundred fifty thousand, two hundred ninety-three".