2013421131 has 20 divisors (see below), whose sum is σ = 3008915712. Its totient is φ = 1341739728.

The previous prime is 2013421073. The next prime is 2013421147. The reversal of 2013421131 is 1311243102.

It is not a de Polignac number, because 2013421131 - 2¹⁴ = 2013404747 is a prime.

It is a super-2 number, since 2×2013421131² = 8107729301514638322, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2013421931) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 363126 + ... + 368628.

Almost surely, 2^2013421131 is an apocalyptic number.

2013421131 is a deficient number, since it is larger than the sum of its proper divisors (995494581).

2013421131 is an equidigital number, since it uses as much as digits as its factorization.

2013421131 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10032 (or 10023 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 2013421131 is about 44871.1614625697. The cubic root of 2013421131 is about 1262.7330301609.

Adding to 2013421131 its reverse (1311243102), we get a palindrome (3324664233).

The spelling of 2013421131 in words is "two billion, thirteen million, four hundred twenty-one thousand, one hundred thirty-one".