1223254031 has 2 divisors, whose sum is σ = 1223254032. Its totient is φ = 1223254030.

The previous prime is 1223254013. The next prime is 1223254037. The reversal of 1223254031 is 1304523221.

Together with previous prime (1223254013) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1223254031 - 2¹⁰ = 1223253007 is a prime.

It is a super-2 number, since 2×1223254031² = 2992700848715497922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1223253988 and 1223254006.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223254037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611627015 + 611627016.

It is an arithmetic number, because the mean of its divisors is an integer number (611627016).

Almost surely, 2^1223254031 is an apocalyptic number.

1223254031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223254031 is an equidigital number, since it uses as much as digits as its factorization.

1223254031 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 1223254031 is about 34975.0486918889. The cubic root of 1223254031 is about 1069.4788946527.

Adding to 1223254031 its reverse (1304523221), we get a palindrome (2527777252).

The spelling of 1223254031 in words is "one billion, two hundred twenty-three million, two hundred fifty-four thousand, thirty-one".