1310031223 has 2 divisors, whose sum is σ = 1310031224. Its totient is φ = 1310031222.

The previous prime is 1310031211. The next prime is 1310031227. The reversal of 1310031223 is 3221300131.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1310031223 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1310031197 and 1310031206.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310031227) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655015611 + 655015612.

It is an arithmetic number, because the mean of its divisors is an integer number (655015612).

Almost surely, 2^1310031223 is an apocalyptic number.

1310031223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310031223 is an equidigital number, since it uses as much as digits as its factorization.

1310031223 is an odious number, because the sum of its binary digits is odd.

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

The square root of 1310031223 is about 36194.3534684625. The cubic root of 1310031223 is about 1094.1928743511.

Adding to 1310031223 its reverse (3221300131), we get a palindrome (4531331354).

The spelling of 1310031223 in words is "one billion, three hundred ten million, thirty-one thousand, two hundred twenty-three".