2131327229 has 2 divisors, whose sum is σ = 2131327230. Its totient is φ = 2131327228.

The previous prime is 2131327157. The next prime is 2131327301. The reversal of 2131327229 is 9227231312.

It is a balanced prime because it is at equal distance from previous prime (2131327157) and next prime (2131327301).

It can be written as a sum of positive squares in only one way, i.e., 2122905625 + 8421604 = 46075^2 + 2902^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131327229 - 2²⁴ = 2114550013 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2131327195 and 2131327204.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2131327529) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065663614 + 1065663615.

It is an arithmetic number, because the mean of its divisors is an integer number (1065663615).

Almost surely, 2^2131327229 is an apocalyptic number.

It is an amenable number.

2131327229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131327229 is an equidigital number, since it uses as much as digits as its factorization.

2131327229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 2131327229 is about 46166.2997109363. The cubic root of 2131327229 is about 1286.9155378334.

The spelling of 2131327229 in words is "two billion, one hundred thirty-one million, three hundred twenty-seven thousand, two hundred twenty-nine".