4231222031 has 2 divisors, whose sum is σ = 4231222032. Its totient is φ = 4231222030.

The previous prime is 4231222019. The next prime is 4231222091. The reversal of 4231222031 is 1302221324.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4231222031 is a prime.

It is a super-2 number, since 2×4231222031² = 35806479751239529922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4231221994 and 4231222012.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4231222001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2115611015 + 2115611016.

It is an arithmetic number, because the mean of its divisors is an integer number (2115611016).

Almost surely, 2^4231222031 is an apocalyptic number.

4231222031 is a deficient number, since it is larger than the sum of its proper divisors (1).

4231222031 is an equidigital number, since it uses as much as digits as its factorization.

4231222031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 4231222031 is about 65047.8441687348. The cubic root of 4231222031 is about 1617.4167577064.

Adding to 4231222031 its reverse (1302221324), we get a palindrome (5533443355).

The spelling of 4231222031 in words is "four billion, two hundred thirty-one million, two hundred twenty-two thousand, thirty-one".