1223130031 has 2 divisors, whose sum is σ = 1223130032. Its totient is φ = 1223130030.

The previous prime is 1223130019. The next prime is 1223130089. The reversal of 1223130031 is 1300313221.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1223130031 - 2¹⁵ = 1223097263 is a prime.

It is a super-2 number, since 2×1223130031² = 2992094145468121922, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1223129987 and 1223130014.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1223130001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 611565015 + 611565016.

It is an arithmetic number, because the mean of its divisors is an integer number (611565016).

Almost surely, 2^1223130031 is an apocalyptic number.

1223130031 is a deficient number, since it is larger than the sum of its proper divisors (1).

1223130031 is an equidigital number, since it uses as much as digits as its factorization.

1223130031 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 108, while the sum is 16.

The square root of 1223130031 is about 34973.2759546486. The cubic root of 1223130031 is about 1069.4427561072.

Adding to 1223130031 its reverse (1300313221), we get a palindrome (2523443252).

The spelling of 1223130031 in words is "one billion, two hundred twenty-three million, one hundred thirty thousand, thirty-one".