13021023303 has 12 divisors (see below), whose sum is σ = 19208318688. Its totient is φ = 8495986560.

The previous prime is 13021023293. The next prime is 13021023307. The reversal of 13021023303 is 30332012031.

13021023303 is a `hidden beast` number, since 130 + 210 + 23 + 303 = 666.

It is not a de Polignac number, because 13021023303 - 2⁵ = 13021023271 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13021023307) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 15390858 + ... + 15391703.

It is an arithmetic number, because the mean of its divisors is an integer number (1600693224).

Almost surely, 2^13021023303 is an apocalyptic number.

13021023303 is a deficient number, since it is larger than the sum of its proper divisors (6187295385).

13021023303 is a wasteful number, since it uses less digits than its factorization.

13021023303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30782614 (or 30782611 counting only the distinct ones).

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

Adding to 13021023303 its reverse (30332012031), we get a palindrome (43353035334).

The spelling of 13021023303 in words is "thirteen billion, twenty-one million, twenty-three thousand, three hundred three".