1303332413 has 4 divisors (see below), whose sum is σ = 1348274940. Its totient is φ = 1258389888.

The previous prime is 1303332403. The next prime is 1303332431. The reversal of 1303332413 is 3142333031.

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 520843684 + 782488729 = 22822^2 + 27973^2 .

It is a cyclic number.

It is not a de Polignac number, because 1303332413 - 2⁴ = 1303332397 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 (1303332403) 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, 22471220 + ... + 22471277.

It is an arithmetic number, because the mean of its divisors is an integer number (337068735).

Almost surely, 2^1303332413 is an apocalyptic number.

It is an amenable number.

1303332413 is a deficient number, since it is larger than the sum of its proper divisors (44942527).

1303332413 is an equidigital number, since it uses as much as digits as its factorization.

1303332413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44942526.

The product of its (nonzero) digits is 1944, while the sum is 23.

The square root of 1303332413 is about 36101.6954311013. The cubic root of 1303332413 is about 1092.3246442368.

Adding to 1303332413 its reverse (3142333031), we get a palindrome (4445665444).

The spelling of 1303332413 in words is "one billion, three hundred three million, three hundred thirty-two thousand, four hundred thirteen".