285183460831 has 2 divisors, whose sum is σ = 285183460832. Its totient is φ = 285183460830.

The previous prime is 285183460799. The next prime is 285183460909. The reversal of 285183460831 is 138064381582.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 285183460831 - 2⁵ = 285183460799 is a prime.

It is a super-2 number, since 2×285183460831² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (285183464831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 142591730415 + 142591730416.

It is an arithmetic number, because the mean of its divisors is an integer number (142591730416).

Almost surely, 2^285183460831 is an apocalyptic number.

285183460831 is a deficient number, since it is larger than the sum of its proper divisors (1).

285183460831 is an equidigital number, since it uses as much as digits as its factorization.

285183460831 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1105920, while the sum is 49.

The spelling of 285183460831 in words is "two hundred eighty-five billion, one hundred eighty-three million, four hundred sixty thousand, eight hundred thirty-one".