2131421413 has 24 divisors (see below), whose sum is σ = 2372932800. Its totient is φ = 1912922880.

The previous prime is 2131421407. The next prime is 2131421417. The reversal of 2131421413 is 3141241312.

It is not a de Polignac number, because 2131421413 - 2²¹ = 2129324261 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 (2131421417) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5936928 + ... + 5937286.

It is an arithmetic number, because the mean of its divisors is an integer number (98872200).

Almost surely, 2^2131421413 is an apocalyptic number.

It is an amenable number.

2131421413 is a deficient number, since it is larger than the sum of its proper divisors (241511387).

2131421413 is a wasteful number, since it uses less digits than its factorization.

2131421413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 873 (or 862 counting only the distinct ones).

The product of its digits is 576, while the sum is 22.

The square root of 2131421413 is about 46167.3197510967. The cubic root of 2131421413 is about 1286.9344939508.

Adding to 2131421413 its reverse (3141241312), we get a palindrome (5272662725).

The spelling of 2131421413 in words is "two billion, one hundred thirty-one million, four hundred twenty-one thousand, four hundred thirteen".