288768131 has 4 divisors (see below), whose sum is σ = 298083264. Its totient is φ = 279453000.

The previous prime is 288768121. The next prime is 288768143. The reversal of 288768131 is 131867882.

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 288768131 - 2¹⁴ = 288751747 is a prime.

It is a super-2 number, since 2×288768131² = 166774066962466322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (288768101) 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, 4657520 + ... + 4657581.

It is an arithmetic number, because the mean of its divisors is an integer number (74520816).

Almost surely, 2^288768131 is an apocalyptic number.

288768131 is a deficient number, since it is larger than the sum of its proper divisors (9315133).

288768131 is an equidigital number, since it uses as much as digits as its factorization.

288768131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9315132.

The product of its digits is 129024, while the sum is 44.

The square root of 288768131 is about 16993.1789550984. The cubic root of 288768131 is about 660.9720380035.

The spelling of 288768131 in words is "two hundred eighty-eight million, seven hundred sixty-eight thousand, one hundred thirty-one".