268724031 has 4 divisors (see below), whose sum is σ = 358298712. Its totient is φ = 179149352.

The previous prime is 268724017. The next prime is 268724059. The reversal of 268724031 is 130427862.

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 268724031 - 2⁹ = 268723519 is a prime.

It is a super-2 number, since 2×268724031² = 144425209673777922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 268723983 and 268724001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (268724431) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 44787336 + ... + 44787341.

It is an arithmetic number, because the mean of its divisors is an integer number (89574678).

Almost surely, 2^268724031 is an apocalyptic number.

268724031 is a deficient number, since it is larger than the sum of its proper divisors (89574681).

268724031 is an equidigital number, since it uses as much as digits as its factorization.

268724031 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 89574680.

The product of its (nonzero) digits is 16128, while the sum is 33.

The square root of 268724031 is about 16392.8042445458. The cubic root of 268724031 is about 645.3106537919.

It can be divided in two parts, 26872 and 4031, that added together give a palindrome (30903).

The spelling of 268724031 in words is "two hundred sixty-eight million, seven hundred twenty-four thousand, thirty-one".