268518031 has 8 divisors (see below), whose sum is σ = 283570560. Its totient is φ = 253747032.

The previous prime is 268517993. The next prime is 268518049. The reversal of 268518031 is 130815862.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 268518031 - 2¹¹ = 268515983 is a prime.

It is a super-2 number, since 2×268518031² = 144203865944233922, 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 (268513031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 68421 + ... + 72238.

It is an arithmetic number, because the mean of its divisors is an integer number (35446320).

Almost surely, 2^268518031 is an apocalyptic number.

268518031 is a deficient number, since it is larger than the sum of its proper divisors (15052529).

268518031 is a wasteful number, since it uses less digits than its factorization.

268518031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 140765.

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 268518031 is about 16386.5197952463. The cubic root of 268518031 is about 645.1457163316.

The spelling of 268518031 in words is "two hundred sixty-eight million, five hundred eighteen thousand, thirty-one".