273310231345 has 4 divisors (see below), whose sum is σ = 327972277620. Its totient is φ = 218648185072.

The previous prime is 273310231321. The next prime is 273310231393. The reversal of 273310231345 is 543132013372.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 85785723664 + 187524507681 = 292892^2 + 433041^2 .

It is a cyclic number.

It is not a de Polignac number, because 273310231345 - 2⁹ = 273310230833 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 273310231345.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27331023130 + ... + 27331023139.

It is an arithmetic number, because the mean of its divisors is an integer number (81993069405).

Almost surely, 2^273310231345 is an apocalyptic number.

It is an amenable number.

273310231345 is a deficient number, since it is larger than the sum of its proper divisors (54662046275).

273310231345 is an equidigital number, since it uses as much as digits as its factorization.

273310231345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54662046274.

The product of its (nonzero) digits is 45360, while the sum is 34.

The spelling of 273310231345 in words is "two hundred seventy-three billion, three hundred ten million, two hundred thirty-one thousand, three hundred forty-five".