13220132531305 has 32 divisors (see below), whose sum is σ = 18402742275840. Its totient is φ = 8929120907520.

The previous prime is 13220132531303. The next prime is 13220132531393. The reversal of 13220132531305 is 50313523102231.

It is not a de Polignac number, because 13220132531305 - 2¹ = 13220132531303 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13220132531303) 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 31 ways as a sum of consecutive naturals, for example, 26156731 + ... + 26657359.

It is an arithmetic number, because the mean of its divisors is an integer number (575085696120).

Almost surely, 2^{13220132531305} is an apocalyptic number.

It is an amenable number.

13220132531305 is a deficient number, since it is larger than the sum of its proper divisors (5182609744535).

13220132531305 is a wasteful number, since it uses less digits than its factorization.

13220132531305 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 511969.

The product of its (nonzero) digits is 16200, while the sum is 31.

Adding to 13220132531305 its reverse (50313523102231), we get a palindrome (63533655633536).

The spelling of 13220132531305 in words is "thirteen trillion, two hundred twenty billion, one hundred thirty-two million, five hundred thirty-one thousand, three hundred five".