3075216723081 has 12 divisors (see below), whose sum is σ = 4464527834052. Its totient is φ = 2039737656096.

The previous prime is 3075216723071. The next prime is 3075216723107. The reversal of 3075216723081 is 1803276125703.

3075216723081 is a `hidden beast` number, since 30 + 7 + 521 + 67 + 2 + 30 + 8 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1420947441225 + 1654269281856 = 1192035^2 + 1286184^2 .

It is not a de Polignac number, because 3075216723081 - 2⁵ = 3075216723049 is a prime.

It is a super-2 number, since 2×3075216723081² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3075216723071) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 867233626 + ... + 867237171.

It is an arithmetic number, because the mean of its divisors is an integer number (372043986171).

Almost surely, 2^{3075216723081} is an apocalyptic number.

It is an amenable number.

3075216723081 is a deficient number, since it is larger than the sum of its proper divisors (1389311110971).

3075216723081 is a wasteful number, since it uses less digits than its factorization.

3075216723081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1734471000 (or 1734470997 counting only the distinct ones).

The product of its (nonzero) digits is 423360, while the sum is 45.

The spelling of 3075216723081 in words is "three trillion, seventy-five billion, two hundred sixteen million, seven hundred twenty-three thousand, eighty-one".