2085417931 has 6 divisors (see below), whose sum is σ = 2215305860. Its totient is φ = 1962746016.

The previous prime is 2085417907. The next prime is 2085417959. The reversal of 2085417931 is 1397145802.

It is not a de Polignac number, because 2085417931 - 2¹⁷ = 2085286859 is a prime.

It is a super-2 number, since 2×2085417931² = 8697935893872641522, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2085417991) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 3607701 + ... + 3608278.

Almost surely, 2^2085417931 is an apocalyptic number.

2085417931 is a deficient number, since it is larger than the sum of its proper divisors (129887929).

2085417931 is an equidigital number, since it uses as much as digits as its factorization.

2085417931 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7216013 (or 7215996 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The square root of 2085417931 is about 45666.3763725566. The cubic root of 2085417931 is about 1277.6082311480.

The spelling of 2085417931 in words is "two billion, eighty-five million, four hundred seventeen thousand, nine hundred thirty-one".