1310331223 has 2 divisors, whose sum is σ = 1310331224. Its totient is φ = 1310331222.

The previous prime is 1310331203. The next prime is 1310331251. The reversal of 1310331223 is 3221330131.

It is a weak prime.

It is an emirp because it is prime and its reverse (3221330131) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1310331223 - 2¹³ = 1310323031 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1310331223.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1310331203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655165611 + 655165612.

It is an arithmetic number, because the mean of its divisors is an integer number (655165612).

Almost surely, 2^1310331223 is an apocalyptic number.

1310331223 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310331223 is an equidigital number, since it uses as much as digits as its factorization.

1310331223 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 19.

The square root of 1310331223 is about 36198.4975240686. The cubic root of 1310331223 is about 1094.2763921591.

Adding to 1310331223 its reverse (3221330131), we get a palindrome (4531661354).

The spelling of 1310331223 in words is "one billion, three hundred ten million, three hundred thirty-one thousand, two hundred twenty-three".