3011000021320 has 16 divisors (see below), whose sum is σ = 6774750048060. Its totient is φ = 1204400008512.

The previous prime is 3011000021317. The next prime is 3011000021329. The reversal of 3011000021320 is 231200001103.

It can be written as a sum of positive squares in 2 ways, for example, as 2904318090436 + 106681930884 = 1704206^2 + 326622^2 .

It is a super-2 number, since 2×3011000021320² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 3011000021320.

It is not an unprimeable number, because it can be changed into a prime (3011000021329) 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 3 ways as a sum of consecutive naturals, for example, 37637500227 + ... + 37637500306.

Almost surely, 2^{3011000021320} is an apocalyptic number.

It is an amenable number.

3011000021320 is an abundant number, since it is smaller than the sum of its proper divisors (3763750026740).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3011000021320 is a wasteful number, since it uses less digits than its factorization.

3011000021320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 75275000544 (or 75275000540 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 3011000021320 its reverse (231200001103), we get a palindrome (3242200022423).

The spelling of 3011000021320 in words is "three trillion, eleven billion, twenty-one thousand, three hundred twenty".