268443031 has 4 divisors (see below), whose sum is σ = 274990464. Its totient is φ = 261895600.

The previous prime is 268443011. The next prime is 268443059. The reversal of 268443031 is 130344862.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 130344862 = 2 ⋅65172431.

It is a cyclic number.

It is not a de Polignac number, because 268443031 - 2⁹ = 268442519 is a prime.

It is a super-3 number, since 3×268443031³ (a number of 26 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 268442984 and 268443002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268443011) 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, 3273655 + ... + 3273736.

It is an arithmetic number, because the mean of its divisors is an integer number (68747616).

Almost surely, 2^268443031 is an apocalyptic number.

268443031 is a deficient number, since it is larger than the sum of its proper divisors (6547433).

268443031 is an equidigital number, since it uses as much as digits as its factorization.

268443031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6547432.

The product of its (nonzero) digits is 13824, while the sum is 31.

The square root of 268443031 is about 16384.2311690235. The cubic root of 268443031 is about 645.0856453385.

Adding to 268443031 its reverse (130344862), we get a palindrome (398787893).

The spelling of 268443031 in words is "two hundred sixty-eight million, four hundred forty-three thousand, thirty-one".