1403317313 has 4 divisors (see below), whose sum is σ = 1412735700. Its totient is φ = 1393898928.

The previous prime is 1403317283. The next prime is 1403317327. The reversal of 1403317313 is 3137133041.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 121176064 + 1282141249 = 11008^2 + 35807^2 .

It is a cyclic number.

It is not a de Polignac number, because 1403317313 - 2⁸ = 1403317057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1403310313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4708970 + ... + 4709267.

It is an arithmetic number, because the mean of its divisors is an integer number (353183925).

Almost surely, 2^1403317313 is an apocalyptic number.

It is an amenable number.

1403317313 is a deficient number, since it is larger than the sum of its proper divisors (9418387).

1403317313 is an equidigital number, since it uses as much as digits as its factorization.

1403317313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9418386.

The product of its (nonzero) digits is 2268, while the sum is 26.

The square root of 1403317313 is about 37460.8770986479. The cubic root of 1403317313 is about 1119.5718263927.

The spelling of 1403317313 in words is "one billion, four hundred three million, three hundred seventeen thousand, three hundred thirteen".