288230678531 has 2 divisors, whose sum is σ = 288230678532. Its totient is φ = 288230678530.

The previous prime is 288230678443. The next prime is 288230678581. The reversal of 288230678531 is 135876032882.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-288230678531 is a prime.

It is a super-2 number, since 2×288230678531² (a number of 24 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (288230678581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 144115339265 + 144115339266.

It is an arithmetic number, because the mean of its divisors is an integer number (144115339266).

Almost surely, 2^288230678531 is an apocalyptic number.

288230678531 is a deficient number, since it is larger than the sum of its proper divisors (1).

288230678531 is an equidigital number, since it uses as much as digits as its factorization.

288230678531 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3870720, while the sum is 53.

The spelling of 288230678531 in words is "two hundred eighty-eight billion, two hundred thirty million, six hundred seventy-eight thousand, five hundred thirty-one".