13030540531521 has 8 divisors (see below), whose sum is σ = 17394186205440. Its totient is φ = 8676960939312.

The previous prime is 13030540531507. The next prime is 13030540531537. The reversal of 13030540531521 is 12513504503031.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13030540531521 - 2¹⁴ = 13030540515137 is a prime.

It is a super-2 number, since 2×13030540531521² (a number of 27 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13030540531501) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2516517406 + ... + 2516522583.

It is an arithmetic number, because the mean of its divisors is an integer number (2174273275680).

Almost surely, 2^{13030540531521} is an apocalyptic number.

It is an amenable number.

13030540531521 is a deficient number, since it is larger than the sum of its proper divisors (4363645673919).

13030540531521 is an equidigital number, since it uses as much as digits as its factorization.

13030540531521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5033040855.

The product of its (nonzero) digits is 27000, while the sum is 33.

The spelling of 13030540531521 in words is "thirteen trillion, thirty billion, five hundred forty million, five hundred thirty-one thousand, five hundred twenty-one".