2320131321 has 12 divisors (see below), whose sum is σ = 3548436372. Its totient is φ = 1455768576.

The previous prime is 2320131311. The next prime is 2320131337. The reversal of 2320131321 is 1231310232.

It can be written as a sum of positive squares in 2 ways, for example, as 814303296 + 1505828025 = 28536^2 + 38805^2 .

It is not a de Polignac number, because 2320131321 - 2⁶ = 2320131257 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2320131294 and 2320131303.

It is not an unprimeable number, because it can be changed into a prime (2320131311) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7581976 + ... + 7582281.

It is an arithmetic number, because the mean of its divisors is an integer number (295703031).

Almost surely, 2^2320131321 is an apocalyptic number.

It is an amenable number.

2320131321 is a deficient number, since it is larger than the sum of its proper divisors (1228305051).

2320131321 is a wasteful number, since it uses less digits than its factorization.

2320131321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15164280 (or 15164277 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

The square root of 2320131321 is about 48167.7414978116. The cubic root of 2320131321 is about 1323.8461669389.

Adding to 2320131321 its reverse (1231310232), we get a palindrome (3551441553).

The spelling of 2320131321 in words is "two billion, three hundred twenty million, one hundred thirty-one thousand, three hundred twenty-one".