13461216431 has 4 divisors (see below), whose sum is σ = 14496694632. Its totient is φ = 12425738232.

The previous prime is 13461216421. The next prime is 13461216469.

It is a happy number.

13461216431 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 not a de Polignac number, because 13461216431 - 2⁶ = 13461216367 is a prime.

It is a super-2 number, since 2×13461216431² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13461216421) 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 3 ways as a sum of consecutive naturals, for example, 517739081 + ... + 517739106.

It is an arithmetic number, because the mean of its divisors is an integer number (3624173658).

Almost surely, 2^13461216431 is an apocalyptic number.

13461216431 is a deficient number, since it is larger than the sum of its proper divisors (1035478201).

13461216431 is a wasteful number, since it uses less digits than its factorization.

13461216431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1035478200.

The product of its digits is 10368, while the sum is 32.

The spelling of 13461216431 in words is "thirteen billion, four hundred sixty-one million, two hundred sixteen thousand, four hundred thirty-one".