288263431 has 2 divisors, whose sum is σ = 288263432. Its totient is φ = 288263430.

The previous prime is 288263419. The next prime is 288263467. The reversal of 288263431 is 134362882.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 288263431 - 2⁷ = 288263303 is a prime.

It is a super-2 number, since 2×288263431² = 166191611303783522, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (288263401) 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 as a sum of consecutive naturals, namely, 144131715 + 144131716.

It is an arithmetic number, because the mean of its divisors is an integer number (144131716).

Almost surely, 2^288263431 is an apocalyptic number.

288263431 is a deficient number, since it is larger than the sum of its proper divisors (1).

288263431 is an equidigital number, since it uses as much as digits as its factorization.

288263431 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55296, while the sum is 37.

The square root of 288263431 is about 16978.3223847352. The cubic root of 288263431 is about 660.5867379556.

The spelling of 288263431 in words is "two hundred eighty-eight million, two hundred sixty-three thousand, four hundred thirty-one".