13342531331 has 4 divisors (see below), whose sum is σ = 13346569272. Its totient is φ = 13338493392.

The previous prime is 13342531309. The next prime is 13342531333. The reversal of 13342531331 is 13313524331.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 13342531331 - 2¹⁰ = 13342530307 is a prime.

It is a super-2 number, since 2×13342531331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13342531294 and 13342531303.

It is not an unprimeable number, because it can be changed into a prime (13342531333) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2014010 + ... + 2020623.

It is an arithmetic number, because the mean of its divisors is an integer number (3336642318).

Almost surely, 2^13342531331 is an apocalyptic number.

13342531331 is a deficient number, since it is larger than the sum of its proper divisors (4037941).

13342531331 is an equidigital number, since it uses as much as digits as its factorization.

13342531331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4037940.

The product of its digits is 9720, while the sum is 29.

The spelling of 13342531331 in words is "thirteen billion, three hundred forty-two million, five hundred thirty-one thousand, three hundred thirty-one".