13132321321 has 8 divisors (see below), whose sum is σ = 15019913664. Its totient is φ = 11247615600.

The previous prime is 13132321297. The next prime is 13132321327. The reversal of 13132321321 is 12312323131.

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

It is a cyclic number.

It is not a de Polignac number, because 13132321321 - 2³¹ = 10984837673 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 13132321292 and 13132321301.

It is not an unprimeable number, because it can be changed into a prime (13132321327) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 711895 + ... + 730108.

It is an arithmetic number, because the mean of its divisors is an integer number (1877489208).

Almost surely, 2^13132321321 is an apocalyptic number.

It is an amenable number.

13132321321 is a deficient number, since it is larger than the sum of its proper divisors (1887592343).

13132321321 is a wasteful number, since it uses less digits than its factorization.

13132321321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1443311.

The product of its digits is 648, while the sum is 22.

Adding to 13132321321 its reverse (12312323131), we get a palindrome (25444644452).

The spelling of 13132321321 in words is "thirteen billion, one hundred thirty-two million, three hundred twenty-one thousand, three hundred twenty-one".