231222231043 has 2 divisors, whose sum is σ = 231222231044. Its totient is φ = 231222231042.

The previous prime is 231222231013. The next prime is 231222231059. The reversal of 231222231043 is 340132222132.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-231222231043 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 231222230999 and 231222231017.

It is not a weakly prime, because it can be changed into another prime (231222231013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115611115521 + 115611115522.

It is an arithmetic number, because the mean of its divisors is an integer number (115611115522).

Almost surely, 2^231222231043 is an apocalyptic number.

231222231043 is a deficient number, since it is larger than the sum of its proper divisors (1).

231222231043 is an equidigital number, since it uses as much as digits as its factorization.

231222231043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3456, while the sum is 25.

Adding to 231222231043 its reverse (340132222132), we get a palindrome (571354453175).

The spelling of 231222231043 in words is "two hundred thirty-one billion, two hundred twenty-two million, two hundred thirty-one thousand, forty-three".