13214301331531 has 4 divisors (see below), whose sum is σ = 13438272540600. Its totient is φ = 12990330122464.

The previous prime is 13214301331519. The next prime is 13214301331577. The reversal of 13214301331531 is 13513310341231.

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 13214301331531 - 2¹⁹ = 13214300807243 is a prime.

It is a super-2 number, since 2×13214301331531² (a number of 27 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 = 13214301331493 and 13214301331502.

It is not an unprimeable number, because it can be changed into a prime (13214301331331) 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, 111985604446 + ... + 111985604563.

It is an arithmetic number, because the mean of its divisors is an integer number (3359568135150).

Almost surely, 2^{13214301331531} is an apocalyptic number.

13214301331531 is a deficient number, since it is larger than the sum of its proper divisors (223971209069).

13214301331531 is an equidigital number, since it uses as much as digits as its factorization.

13214301331531 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 223971209068.

The product of its (nonzero) digits is 9720, while the sum is 31.

Adding to 13214301331531 its reverse (13513310341231), we get a palindrome (26727611672762).

The spelling of 13214301331531 in words is "thirteen trillion, two hundred fourteen billion, three hundred one million, three hundred thirty-one thousand, five hundred thirty-one".