13042520331 has 8 divisors (see below), whose sum is σ = 17390554944. Its totient is φ = 8694749640.

The previous prime is 13042520329. The next prime is 13042520371. The reversal of 13042520331 is 13302524031.

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

It is not a de Polignac number, because 13042520331 - 2¹ = 13042520329 is a prime.

It is a super-2 number, since 2×13042520331² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13042520371) 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 7 ways as a sum of consecutive naturals, for example, 156576 + ... + 224946.

It is an arithmetic number, because the mean of its divisors is an integer number (2173819368).

Almost surely, 2^13042520331 is an apocalyptic number.

13042520331 is a deficient number, since it is larger than the sum of its proper divisors (4348034613).

13042520331 is an equidigital number, since it uses as much as digits as its factorization.

13042520331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131961.

The product of its (nonzero) digits is 2160, while the sum is 24.

The spelling of 13042520331 in words is "thirteen billion, forty-two million, five hundred twenty thousand, three hundred thirty-one".