2331231229 has 2 divisors, whose sum is σ = 2331231230. Its totient is φ = 2331231228.

The previous prime is 2331231191. The next prime is 2331231247. The reversal of 2331231229 is 9221321332.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2330668729 + 562500 = 48277^2 + 750^2 .

It is a cyclic number.

It is not a de Polignac number, because 2331231229 - 2⁷ = 2331231101 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2331231197 and 2331231206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2331231269) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1165615614 + 1165615615.

It is an arithmetic number, because the mean of its divisors is an integer number (1165615615).

Almost surely, 2^2331231229 is an apocalyptic number.

It is an amenable number.

2331231229 is a deficient number, since it is larger than the sum of its proper divisors (1).

2331231229 is an equidigital number, since it uses as much as digits as its factorization.

2331231229 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3888, while the sum is 28.

The square root of 2331231229 is about 48282.8254040710. The cubic root of 2331231229 is about 1325.9539785136.

The spelling of 2331231229 in words is "two billion, three hundred thirty-one million, two hundred thirty-one thousand, two hundred twenty-nine".