3134451721 has 8 divisors (see below), whose sum is σ = 3319923240. Its totient is φ = 2949101568.

The previous prime is 3134451647. The next prime is 3134451731. The reversal of 3134451721 is 1271544313.

3134451721 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 1284505600 + 1849946121 = 35840^2 + 43011^2 .

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 3134451721 - 2¹¹ = 3134449673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3134451731) 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, 25825 + ... + 83281.

It is an arithmetic number, because the mean of its divisors is an integer number (414990405).

Almost surely, 2^3134451721 is an apocalyptic number.

It is an amenable number.

3134451721 is a deficient number, since it is larger than the sum of its proper divisors (185471519).

3134451721 is a wasteful number, since it uses less digits than its factorization.

3134451721 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60683.

The product of its digits is 10080, while the sum is 31.

The square root of 3134451721 is about 55986.1743736791. The cubic root of 3134451721 is about 1463.4813588886.

The spelling of 3134451721 in words is "three billion, one hundred thirty-four million, four hundred fifty-one thousand, seven hundred twenty-one".