13021321310 has 16 divisors (see below), whose sum is σ = 23503672800. Its totient is φ = 5194018656.

The previous prime is 13021321307. The next prime is 13021321333. The reversal of 13021321310 is 1312312031.

It is a super-2 number, since 2×13021321310² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1809965 + ... + 1817144.

It is an arithmetic number, because the mean of its divisors is an integer number (1468979550).

Almost surely, 2^13021321310 is an apocalyptic number.

13021321310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13021321310 is a deficient number, since it is larger than the sum of its proper divisors (10482351490).

13021321310 is a wasteful number, since it uses less digits than its factorization.

13021321310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3627475.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 13021321310 its reverse (1312312031), we get a palindrome (14333633341).

The spelling of 13021321310 in words is "thirteen billion, twenty-one million, three hundred twenty-one thousand, three hundred ten".