268915031 has 16 divisors (see below), whose sum is σ = 336795648. Its totient is φ = 208591200.

The previous prime is 268915021. The next prime is 268915039. The reversal of 268915031 is 130519862.

It is a cyclic number.

It is not a de Polignac number, because 268915031 - 2⁶ = 268914967 is a prime.

It is a super-2 number, since 2×268915031² = 144630587795461922, which contains 22 as substring.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 268914982 and 268915000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268915039) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9341 + ... + 25001.

It is an arithmetic number, because the mean of its divisors is an integer number (21049728).

Almost surely, 2^268915031 is an apocalyptic number.

268915031 is a deficient number, since it is larger than the sum of its proper divisors (67880617).

268915031 is a wasteful number, since it uses less digits than its factorization.

268915031 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15902.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 268915031 is about 16398.6289365910. The cubic root of 268915031 is about 645.4635059506.

The spelling of 268915031 in words is "two hundred sixty-eight million, nine hundred fifteen thousand, thirty-one".