1310223403 has 2 divisors, whose sum is σ = 1310223404. Its totient is φ = 1310223402.

The previous prime is 1310223389. The next prime is 1310223457. The reversal of 1310223403 is 3043220131.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1310223403 - 2¹⁷ = 1310092331 is a prime.

It is not a weakly prime, because it can be changed into another prime (1310223203) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 655111701 + 655111702.

It is an arithmetic number, because the mean of its divisors is an integer number (655111702).

Almost surely, 2^1310223403 is an apocalyptic number.

1310223403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1310223403 is an equidigital number, since it uses as much as digits as its factorization.

1310223403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 1310223403 is about 36197.0082050989. The cubic root of 1310223403 is about 1094.2463773265.

Adding to 1310223403 its reverse (3043220131), we get a palindrome (4353443534).

The spelling of 1310223403 in words is "one billion, three hundred ten million, two hundred twenty-three thousand, four hundred three".