309068038081 has 8 divisors (see below), whose sum is σ = 338859432000. Its totient is φ = 279559027440.

The previous prime is 309068038067. The next prime is 309068038121. The reversal of 309068038081 is 180830860903.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-309068038081 is a prime.

It is a super-2 number, since 2×309068038081² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (309068038061) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70593526 + ... + 70597903.

It is an arithmetic number, because the mean of its divisors is an integer number (42357429000).

Almost surely, 2^309068038081 is an apocalyptic number.

It is an amenable number.

309068038081 is a deficient number, since it is larger than the sum of its proper divisors (29791393919).

309068038081 is a wasteful number, since it uses less digits than its factorization.

309068038081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141191639.

The product of its (nonzero) digits is 248832, while the sum is 46.

Adding to 309068038081 its reverse (180830860903), we get a palindrome (489898898984).

The spelling of 309068038081 in words is "three hundred nine billion, sixty-eight million, thirty-eight thousand, eighty-one".