13305345431 has 8 divisors (see below), whose sum is σ = 15214948224. Its totient is φ = 11397952440.

The previous prime is 13305345337. The next prime is 13305345439. The reversal of 13305345431 is 13454350331.

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

It is not a de Polignac number, because 13305345431 - 2³⁰ = 12231603607 is a prime.

It is a super-2 number, since 2×13305345431² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13305345439) 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 7 ways as a sum of consecutive naturals, for example, 539525 + ... + 563646.

It is an arithmetic number, because the mean of its divisors is an integer number (1901868528).

Almost surely, 2^13305345431 is an apocalyptic number.

13305345431 is a deficient number, since it is larger than the sum of its proper divisors (1909602793).

13305345431 is a wasteful number, since it uses less digits than its factorization.

13305345431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1104901.

The product of its (nonzero) digits is 32400, while the sum is 32.

Adding to 13305345431 its reverse (13454350331), we get a palindrome (26759695762).

The spelling of 13305345431 in words is "thirteen billion, three hundred five million, three hundred forty-five thousand, four hundred thirty-one".