2000131321 has 2 divisors, whose sum is σ = 2000131322. Its totient is φ = 2000131320.

The previous prime is 2000131303. The next prime is 2000131327. The reversal of 2000131321 is 1231310002.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1788021225 + 212110096 = 42285^2 + 14564^2 .

It is a cyclic number.

It is not a de Polignac number, because 2000131321 - 2⁷ = 2000131193 is a prime.

It is not a weakly prime, because it can be changed into another prime (2000131327) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1000065660 + 1000065661.

It is an arithmetic number, because the mean of its divisors is an integer number (1000065661).

Almost surely, 2^2000131321 is an apocalyptic number.

It is an amenable number.

2000131321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2000131321 is an equidigital number, since it uses as much as digits as its factorization.

2000131321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 2000131321 is about 44722.8277393100. The cubic root of 2000131321 is about 1259.9486249734.

Adding to 2000131321 its reverse (1231310002), we get a palindrome (3231441323).

The spelling of 2000131321 in words is "two billion, one hundred thirty-one thousand, three hundred twenty-one".