28446160031 has 2 divisors, whose sum is σ = 28446160032. Its totient is φ = 28446160030.

The previous prime is 28446160013. The next prime is 28446160109. The reversal of 28446160031 is 13006164482.

Together with previous prime (28446160013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 28446160031 - 2⁶ = 28446159967 is a prime.

It is a super-2 number, since 2×28446160031² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 28446159973 and 28446160000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (28446165031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 14223080015 + 14223080016.

It is an arithmetic number, because the mean of its divisors is an integer number (14223080016).

Almost surely, 2^28446160031 is an apocalyptic number.

28446160031 is a deficient number, since it is larger than the sum of its proper divisors (1).

28446160031 is an equidigital number, since it uses as much as digits as its factorization.

28446160031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 35.

The spelling of 28446160031 in words is "twenty-eight billion, four hundred forty-six million, one hundred sixty thousand, thirty-one".