3134320021 has 4 divisors (see below), whose sum is σ = 3582080032. Its totient is φ = 2686560012.

The previous prime is 3134320003. The next prime is 3134320037. The reversal of 3134320021 is 1200234313.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1200234313 = 19 ⋅63170227.

It is a cyclic number.

It is not a de Polignac number, because 3134320021 - 2³¹ = 986836373 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 (3134320001) 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, 223879995 + ... + 223880008.

It is an arithmetic number, because the mean of its divisors is an integer number (895520008).

Almost surely, 2^3134320021 is an apocalyptic number.

It is an amenable number.

3134320021 is a deficient number, since it is larger than the sum of its proper divisors (447760011).

3134320021 is an equidigital number, since it uses as much as digits as its factorization.

3134320021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 447760010.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 3134320021 is about 55984.9981780834. The cubic root of 3134320021 is about 1463.4608616096.

Adding to 3134320021 its reverse (1200234313), we get a palindrome (4334554334).

The spelling of 3134320021 in words is "three billion, one hundred thirty-four million, three hundred twenty thousand, twenty-one".