3113033200021 has 4 divisors (see below), whose sum is σ = 3197169232492. Its totient is φ = 3028897167552.

The previous prime is 3113033199953. The next prime is 3113033200073. The reversal of 3113033200021 is 1200023303113.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1894848606225 + 1218184593796 = 1376535^2 + 1103714^2 .

It is a cyclic number.

It is not a de Polignac number, because 3113033200021 - 2¹¹ = 3113033197973 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113033240021) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42068016180 + ... + 42068016253.

It is an arithmetic number, because the mean of its divisors is an integer number (799292308123).

Almost surely, 2^{3113033200021} is an apocalyptic number.

It is an amenable number.

3113033200021 is a deficient number, since it is larger than the sum of its proper divisors (84136032471).

3113033200021 is an equidigital number, since it uses as much as digits as its factorization.

3113033200021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84136032470.

The product of its (nonzero) digits is 324, while the sum is 19.

Adding to 3113033200021 its reverse (1200023303113), we get a palindrome (4313056503134).

The spelling of 3113033200021 in words is "three trillion, one hundred thirteen billion, thirty-three million, two hundred thousand, twenty-one".