13316461331 has 4 divisors (see below), whose sum is σ = 13356692664. Its totient is φ = 13276230000.

The previous prime is 13316461297. The next prime is 13316461351.

13316461331 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13316461331 is a prime.

It is a super-2 number, since 2×13316461331² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13316461351) 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, 20115170 + ... + 20115831.

It is an arithmetic number, because the mean of its divisors is an integer number (3339173166).

Almost surely, 2^13316461331 is an apocalyptic number.

13316461331 is a deficient number, since it is larger than the sum of its proper divisors (40231333).

13316461331 is an equidigital number, since it uses as much as digits as its factorization.

13316461331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40231332.

The product of its digits is 11664, while the sum is 32.

The spelling of 13316461331 in words is "thirteen billion, three hundred sixteen million, four hundred sixty-one thousand, three hundred thirty-one".