2021313413 has 16 divisors (see below), whose sum is σ = 2480419584. Its totient is φ = 1607665920.

The previous prime is 2021313409. The next prime is 2021313431. The reversal of 2021313413 is 3143131202.

It is not a de Polignac number, because 2021313413 - 2² = 2021313409 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 (2021313473) 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, 111170 + ... + 128067.

It is an arithmetic number, because the mean of its divisors is an integer number (155026224).

Almost surely, 2^2021313413 is an apocalyptic number.

It is an amenable number.

2021313413 is a deficient number, since it is larger than the sum of its proper divisors (459106171).

2021313413 is a wasteful number, since it uses less digits than its factorization.

2021313413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 239332.

The product of its (nonzero) digits is 432, while the sum is 20.

The square root of 2021313413 is about 44959.0192619901. The cubic root of 2021313413 is about 1264.3807814765.

Adding to 2021313413 its reverse (3143131202), we get a palindrome (5164444615).

The spelling of 2021313413 in words is "two billion, twenty-one million, three hundred thirteen thousand, four hundred thirteen".