1302303213 has 48 divisors (see below), whose sum is σ = 2001871872. Its totient is φ = 814752000.

The previous prime is 1302303193. The next prime is 1302303257. The reversal of 1302303213 is 3123032031.

It is not a de Polignac number, because 1302303213 - 2²² = 1298108909 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1302303413) 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 47 ways as a sum of consecutive naturals, for example, 1057308 + ... + 1058538.

It is an arithmetic number, because the mean of its divisors is an integer number (41705664).

Almost surely, 2^1302303213 is an apocalyptic number.

It is an amenable number.

1302303213 is a deficient number, since it is larger than the sum of its proper divisors (699568659).

1302303213 is a wasteful number, since it uses less digits than its factorization.

1302303213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386 (or 1383 counting only the distinct ones).

The product of its (nonzero) digits is 324, while the sum is 18.

The square root of 1302303213 is about 36087.4384377722. The cubic root of 1302303213 is about 1092.0370438868.

Adding to 1302303213 its reverse (3123032031), we get a palindrome (4425335244).

The spelling of 1302303213 in words is "one billion, three hundred two million, three hundred three thousand, two hundred thirteen".