1301313303 has 16 divisors (see below), whose sum is σ = 1930090240. Its totient is φ = 866543832.

The previous prime is 1301313301. The next prime is 1301313323. The reversal of 1301313303 is 3033131031.

1301313303 is a `hidden beast` number, since 1 + 301 + 31 + 330 + 3 = 666.

It is not a de Polignac number, because 1301313303 - 2¹ = 1301313301 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1301313301) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3451 + ... + 51132.

It is an arithmetic number, because the mean of its divisors is an integer number (120630640).

Almost surely, 2^1301313303 is an apocalyptic number.

1301313303 is a deficient number, since it is larger than the sum of its proper divisors (628776937).

1301313303 is an equidigital number, since it uses as much as digits as its factorization.

1301313303 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55475 (or 55469 counting only the distinct ones).

The product of its (nonzero) digits is 243, while the sum is 18.

The square root of 1301313303 is about 36073.7203931061. The cubic root of 1301313303 is about 1091.7602797669.

Adding to 1301313303 its reverse (3033131031), we get a palindrome (4334444334).

The spelling of 1301313303 in words is "one billion, three hundred one million, three hundred thirteen thousand, three hundred three".