3113233021 has 8 divisors (see below), whose sum is σ = 3206445624. Its totient is φ = 3020497920.

The previous prime is 3113233009. The next prime is 3113233051. The reversal of 3113233021 is 1203323113.

3113233021 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 1759802500 + 1353430521 = 41950^2 + 36789^2 .

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 3113233021 - 2⁹ = 3113232509 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3113233021.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3113233051) 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, 106120 + ... + 132241.

It is an arithmetic number, because the mean of its divisors is an integer number (400805703).

Almost surely, 2^3113233021 is an apocalyptic number.

It is an amenable number.

3113233021 is a deficient number, since it is larger than the sum of its proper divisors (93212603).

3113233021 is a wasteful number, since it uses less digits than its factorization.

3113233021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 238751.

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

The square root of 3113233021 is about 55796.3531155935. The cubic root of 3113233021 is about 1460.1715287618.

Adding to 3113233021 its reverse (1203323113), we get a palindrome (4316556134).

The spelling of 3113233021 in words is "three billion, one hundred thirteen million, two hundred thirty-three thousand, twenty-one".