231344093 has 2 divisors, whose sum is σ = 231344094. Its totient is φ = 231344092.

The previous prime is 231344083. The next prime is 231344101. The reversal of 231344093 is 390443132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 163149529 + 68194564 = 12773^2 + 8258^2 .

It is a cyclic number.

It is not a de Polignac number, because 231344093 - 2²² = 227149789 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (231344033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115672046 + 115672047.

It is an arithmetic number, because the mean of its divisors is an integer number (115672047).

Almost surely, 2^231344093 is an apocalyptic number.

It is an amenable number.

231344093 is a deficient number, since it is larger than the sum of its proper divisors (1).

231344093 is an equidigital number, since it uses as much as digits as its factorization.

231344093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 29.

The square root of 231344093 is about 15209.9997698882. Note that the first 3 decimals coincide. The cubic root of 231344093 is about 613.8837512946.

The spelling of 231344093 in words is "two hundred thirty-one million, three hundred forty-four thousand, ninety-three".