2021313034 has 16 divisors (see below), whose sum is σ = 3353448168. Its totient is φ = 907699392.

The previous prime is 2021313013. The next prime is 2021313061. The reversal of 2021313034 is 4303131202.

It can be written as a sum of positive squares in 4 ways, for example, as 1949487409 + 71825625 = 44153^2 + 8475^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1049617 + ... + 1051540.

Almost surely, 2^2021313034 is an apocalyptic number.

2021313034 is a deficient number, since it is larger than the sum of its proper divisors (1332135134).

2021313034 is a wasteful number, since it uses less digits than its factorization.

2021313034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2101209.

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

The square root of 2021313034 is about 44959.0150470403. The cubic root of 2021313034 is about 1264.3807024519.

Adding to 2021313034 its reverse (4303131202), we get a palindrome (6324444236).

The spelling of 2021313034 in words is "two billion, twenty-one million, three hundred thirteen thousand, thirty-four".