28030303031 has 2 divisors, whose sum is σ = 28030303032. Its totient is φ = 28030303030.

The previous prime is 28030303019. The next prime is 28030303051. The reversal of 28030303031 is 13030303082.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28030303031 - 2²⁶ = 27963194167 is a prime.

It is a super-2 number, since 2×28030303031² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 28030302988 and 28030303006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28030303051) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14015151515 + 14015151516.

It is an arithmetic number, because the mean of its divisors is an integer number (14015151516).

Almost surely, 2^28030303031 is an apocalyptic number.

28030303031 is a deficient number, since it is larger than the sum of its proper divisors (1).

28030303031 is an equidigital number, since it uses as much as digits as its factorization.

28030303031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1296, while the sum is 23.

The spelling of 28030303031 in words is "twenty-eight billion, thirty million, three hundred three thousand, thirty-one".