3030721253081 has 8 divisors (see below), whose sum is σ = 3190598213280. Its totient is φ = 2870880824448.

The previous prime is 3030721253059. The next prime is 3030721253089. The reversal of 3030721253081 is 1803521270303.

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

It is a cyclic number.

It is not a de Polignac number, because 3030721253081 - 2¹⁰ = 3030721252057 is a prime.

It is a super-2 number, since 2×3030721253081² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3030721253089) 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, 8962511 + ... + 9294516.

It is an arithmetic number, because the mean of its divisors is an integer number (398824776660).

Almost surely, 2^{3030721253081} is an apocalyptic number.

It is an amenable number.

3030721253081 is a deficient number, since it is larger than the sum of its proper divisors (159876960199).

3030721253081 is a wasteful number, since it uses less digits than its factorization.

3030721253081 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18265783.

The product of its (nonzero) digits is 30240, while the sum is 35.

The spelling of 3030721253081 in words is "three trillion, thirty billion, seven hundred twenty-one million, two hundred fifty-three thousand, eighty-one".