2131413321 has 4 divisors (see below), whose sum is σ = 2841884432. Its totient is φ = 1420942212.

The previous prime is 2131413311. The next prime is 2131413337. The reversal of 2131413321 is 1233141312.

2131413321 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2131413321 - 2⁹ = 2131412809 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2131413311) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 355235551 + ... + 355235556.

It is an arithmetic number, because the mean of its divisors is an integer number (710471108).

Almost surely, 2^2131413321 is an apocalyptic number.

It is an amenable number.

2131413321 is a deficient number, since it is larger than the sum of its proper divisors (710471111).

2131413321 is an equidigital number, since it uses as much as digits as its factorization.

2131413321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 710471110.

The product of its digits is 432, while the sum is 21.

The square root of 2131413321 is about 46167.2321132641. The cubic root of 2131413321 is about 1286.9328653214.

Adding to 2131413321 its reverse (1233141312), we get a palindrome (3364554633).

The spelling of 2131413321 in words is "two billion, one hundred thirty-one million, four hundred thirteen thousand, three hundred twenty-one".