28080243031 has 2 divisors, whose sum is σ = 28080243032. Its totient is φ = 28080243030.

The previous prime is 28080243011. The next prime is 28080243049. The reversal of 28080243031 is 13034208082.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 28080243031 - 2⁷ = 28080242903 is a prime.

It is a super-2 number, since 2×28080243031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28080242984 and 28080243002.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28080243011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14040121515 + 14040121516.

It is an arithmetic number, because the mean of its divisors is an integer number (14040121516).

Almost surely, 2^28080243031 is an apocalyptic number.

28080243031 is a deficient number, since it is larger than the sum of its proper divisors (1).

28080243031 is an equidigital number, since it uses as much as digits as its factorization.

28080243031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 31.

The spelling of 28080243031 in words is "twenty-eight billion, eighty million, two hundred forty-three thousand, thirty-one".