1303309413 has 16 divisors (see below), whose sum is σ = 2206661760. Its totient is φ = 744748128.

The previous prime is 1303309411. The next prime is 1303309429. The reversal of 1303309413 is 3149033031.

It is not a de Polignac number, because 1303309413 - 2¹ = 1303309411 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1303309411) 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, 3447720 + ... + 3448097.

It is an arithmetic number, because the mean of its divisors is an integer number (137916360).

Almost surely, 2^1303309413 is an apocalyptic number.

It is an amenable number.

1303309413 is a deficient number, since it is larger than the sum of its proper divisors (903352347).

1303309413 is an equidigital number, since it uses as much as digits as its factorization.

1303309413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6895833 (or 6895827 counting only the distinct ones).

The product of its (nonzero) digits is 2916, while the sum is 27.

The square root of 1303309413 is about 36101.3768850995. The cubic root of 1303309413 is about 1092.3182187553.

The spelling of 1303309413 in words is "one billion, three hundred three million, three hundred nine thousand, four hundred thirteen".