1310220323 has 6 divisors (see below), whose sum is σ = 1369663764. Its totient is φ = 1253253716.

The previous prime is 1310220299. The next prime is 1310220343. The reversal of 1310220323 is 3230220131.

It is not a de Polignac number, because 1310220323 - 2²² = 1306026019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1310220343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1237865 + ... + 1238922.

It is an arithmetic number, because the mean of its divisors is an integer number (228277294).

Almost surely, 2^1310220323 is an apocalyptic number.

1310220323 is a deficient number, since it is larger than the sum of its proper divisors (59443441).

1310220323 is an equidigital number, since it uses as much as digits as its factorization.

1310220323 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2476833 (or 2476810 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 17.

The square root of 1310220323 is about 36196.9656601213. The cubic root of 1310220323 is about 1094.2455198947.

Adding to 1310220323 its reverse (3230220131), we get a palindrome (4540440454).

The spelling of 1310220323 in words is "one billion, three hundred ten million, two hundred twenty thousand, three hundred twenty-three".