268031 has 4 divisors (see below), whose sum is σ = 270600. Its totient is φ = 265464.

The previous prime is 268013. The next prime is 268043. The reversal of 268031 is 130862.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-268031 is a prime.

It is a super-2 number, since 2×268031² = 143681233922, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 267994 and 268012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268091) 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, 1121 + ... + 1338.

It is an arithmetic number, because the mean of its divisors is an integer number (67650).

2²⁶⁸⁰³¹ is an apocalyptic number.

268031 is a deficient number, since it is larger than the sum of its proper divisors (2569).

268031 is a wasteful number, since it uses less digits than its factorization.

268031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2568.

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 268031 is about 517.7171042181. The cubic root of 268031 is about 64.4755430783.

Adding to 268031 its reverse (130862), we get a palindrome (398893).

The spelling of 268031 in words is "two hundred sixty-eight thousand, thirty-one".