2231305829 has 2 divisors, whose sum is σ = 2231305830. Its totient is φ = 2231305828.

The previous prime is 2231305781. The next prime is 2231305847. The reversal of 2231305829 is 9285031322.

2231305829 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2221708225 + 9597604 = 47135^2 + 3098^2 .

It is a cyclic number.

It is not a de Polignac number, because 2231305829 - 2¹² = 2231301733 is a prime.

It is a super-3 number, since 3×2231305829³ (a number of 29 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2231305889) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1115652914 + 1115652915.

It is an arithmetic number, because the mean of its divisors is an integer number (1115652915).

Almost surely, 2^2231305829 is an apocalyptic number.

It is an amenable number.

2231305829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2231305829 is an equidigital number, since it uses as much as digits as its factorization.

2231305829 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 25920, while the sum is 35.

The square root of 2231305829 is about 47236.7000223343. The cubic root of 2231305829 is about 1306.7315191142.

The spelling of 2231305829 in words is "two billion, two hundred thirty-one million, three hundred five thousand, eight hundred twenty-nine".