3081920817 has 16 divisors (see below), whose sum is σ = 4126997952. Its totient is φ = 2045749440.

The previous prime is 3081920791. The next prime is 3081920843. The reversal of 3081920817 is 7180291803.

3081920817 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (3081920791) and next prime (3081920843).

It is not a de Polignac number, because 3081920817 - 2¹⁸ = 3081658673 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3081920867) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 739303 + ... + 743459.

It is an arithmetic number, because the mean of its divisors is an integer number (257937372).

Almost surely, 2^3081920817 is an apocalyptic number.

It is an amenable number.

3081920817 is a deficient number, since it is larger than the sum of its proper divisors (1045077135).

3081920817 is a wasteful number, since it uses less digits than its factorization.

3081920817 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5168.

The product of its (nonzero) digits is 24192, while the sum is 39.

The square root of 3081920817 is about 55515.0503647434. The cubic root of 3081920817 is about 1455.2596643355.

The spelling of 3081920817 in words is "three billion, eighty-one million, nine hundred twenty thousand, eight hundred seventeen".