13030133021 has 16 divisors (see below), whose sum is σ = 13973335920. Its totient is φ = 12106997760.

The previous prime is 13030132933. The next prime is 13030133023. The reversal of 13030133021 is 12033103031.

It can be written as a sum of positive squares in 8 ways, for example, as 3565761796 + 9464371225 = 59714^2 + 97285^2 .

It is a cyclic number.

It is not a de Polignac number, because 13030133021 - 2¹⁸ = 13029870877 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13030133023) 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 15 ways as a sum of consecutive naturals, for example, 1017941 + ... + 1030661.

It is an arithmetic number, because the mean of its divisors is an integer number (873333495).

Almost surely, 2^13030133021 is an apocalyptic number.

It is an amenable number.

13030133021 is a deficient number, since it is larger than the sum of its proper divisors (943202899).

13030133021 is a wasteful number, since it uses less digits than its factorization.

13030133021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13504.

The product of its (nonzero) digits is 162, while the sum is 17.

Adding to 13030133021 its reverse (12033103031), we get a palindrome (25063236052).

The spelling of 13030133021 in words is "thirteen billion, thirty million, one hundred thirty-three thousand, twenty-one".