1303112313 has 16 divisors (see below), whose sum is σ = 1931117760. Its totient is φ = 868480128.

The previous prime is 1303112309. The next prime is 1303112323. The reversal of 1303112313 is 3132113031.

It is a happy number.

It is not a de Polignac number, because 1303112313 - 2² = 1303112309 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1303112323) 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 in 15 ways as a sum of consecutive naturals, for example, 134281 + ... + 143657.

It is an arithmetic number, because the mean of its divisors is an integer number (120694860).

Almost surely, 2^1303112313 is an apocalyptic number.

It is an amenable number.

1303112313 is a deficient number, since it is larger than the sum of its proper divisors (628005447).

1303112313 is an equidigital number, since it uses as much as digits as its factorization.

1303112313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14533 (or 14527 counting only the distinct ones).

The product of its (nonzero) digits is 162, while the sum is 18.

The square root of 1303112313 is about 36098.6469691040. The cubic root of 1303112313 is about 1092.2631520734.

Adding to 1303112313 its reverse (3132113031), we get a palindrome (4435225344).

The spelling of 1303112313 in words is "one billion, three hundred three million, one hundred twelve thousand, three hundred thirteen".