28814041031 has 2 divisors, whose sum is σ = 28814041032. Its totient is φ = 28814041030.

The previous prime is 28814041027. The next prime is 28814041037. The reversal of 28814041031 is 13014041882.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28814041031 - 2² = 28814041027 is a prime.

It is a super-2 number, since 2×28814041031² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28814041037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14407020515 + 14407020516.

It is an arithmetic number, because the mean of its divisors is an integer number (14407020516).

Almost surely, 2^28814041031 is an apocalyptic number.

28814041031 is a deficient number, since it is larger than the sum of its proper divisors (1).

28814041031 is an equidigital number, since it uses as much as digits as its factorization.

28814041031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6144, while the sum is 32.

The spelling of 28814041031 in words is "twenty-eight billion, eight hundred fourteen million, forty-one thousand, thirty-one".