254311302243 has 16 divisors (see below), whose sum is σ = 363387246336. Its totient is φ = 157786564320.

The previous prime is 254311302241. The next prime is 254311302247. The reversal of 254311302243 is 342203113452.

It is not a de Polignac number, because 254311302243 - 2¹ = 254311302241 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 254311302243.

It is not an unprimeable number, because it can be changed into a prime (254311302241) 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 15 ways as a sum of consecutive naturals, for example, 49803813 + ... + 49808918.

It is an arithmetic number, because the mean of its divisors is an integer number (22711702896).

Almost surely, 2^254311302243 is an apocalyptic number.

254311302243 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

254311302243 is a deficient number, since it is larger than the sum of its proper divisors (109075944093).

254311302243 is a wasteful number, since it uses less digits than its factorization.

254311302243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 99612794.

The product of its (nonzero) digits is 17280, while the sum is 30.

Adding to 254311302243 its reverse (342203113452), we get a palindrome (596514415695).

The spelling of 254311302243 in words is "two hundred fifty-four billion, three hundred eleven million, three hundred two thousand, two hundred forty-three".