3133242021 has 16 divisors (see below), whose sum is σ = 5141730944. Its totient is φ = 1652698944.

The previous prime is 3133241977. The next prime is 3133242037. The reversal of 3133242021 is 1202423313.

It is not a de Polignac number, because 3133242021 - 2⁶ = 3133241957 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3133242071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5738266 + ... + 5738811.

It is an arithmetic number, because the mean of its divisors is an integer number (321358184).

Almost surely, 2^3133242021 is an apocalyptic number.

It is an amenable number.

3133242021 is a deficient number, since it is larger than the sum of its proper divisors (2008488923).

3133242021 is a wasteful number, since it uses less digits than its factorization.

3133242021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11477100.

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 3133242021 is about 55975.3697709984. The cubic root of 3133242021 is about 1463.2930642673.

Adding to 3133242021 its reverse (1202423313), we get a palindrome (4335665334).

The spelling of 3133242021 in words is "three billion, one hundred thirty-three million, two hundred forty-two thousand, twenty-one".