254311231 has 4 divisors (see below), whose sum is σ = 255129264. Its totient is φ = 253493200.

The previous prime is 254311229. The next prime is 254311241. The reversal of 254311231 is 132113452.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 254311231 - 2¹ = 254311229 is a prime.

It is a super-2 number, since 2×254311231² = 129348404425470722, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (254311241) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 408550 + ... + 409171.

It is an arithmetic number, because the mean of its divisors is an integer number (63782316).

Almost surely, 2^254311231 is an apocalyptic number.

254311231 is a deficient number, since it is larger than the sum of its proper divisors (818033).

254311231 is an equidigital number, since it uses as much as digits as its factorization.

254311231 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 818032.

The product of its digits is 720, while the sum is 22.

The square root of 254311231 is about 15947.1386461647. The cubic root of 254311231 is about 633.5611134209.

Adding to 254311231 its reverse (132113452), we get a palindrome (386424683).

It can be divided in two parts, 25431 and 1231, that added together give a palindrome (26662).

The spelling of 254311231 in words is "two hundred fifty-four million, three hundred eleven thousand, two hundred thirty-one".