285225304031 has 2 divisors, whose sum is σ = 285225304032. Its totient is φ = 285225304030.

The previous prime is 285225303973. The next prime is 285225304079. The reversal of 285225304031 is 130403522582.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 285225304031 - 2¹⁴ = 285225287647 is a prime.

It is a super-2 number, since 2×285225304031² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 285225303982 and 285225304000.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285225304631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142612652015 + 142612652016.

It is an arithmetic number, because the mean of its divisors is an integer number (142612652016).

Almost surely, 2^285225304031 is an apocalyptic number.

285225304031 is a deficient number, since it is larger than the sum of its proper divisors (1).

285225304031 is an equidigital number, since it uses as much as digits as its factorization.

285225304031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 285225304031 in words is "two hundred eighty-five billion, two hundred twenty-five million, three hundred four thousand, thirty-one".