13321220031310 has 32 divisors (see below), whose sum is σ = 23991452897472. Its totient is φ = 5325542611200.

The previous prime is 13321220031277. The next prime is 13321220031313. The reversal of 13321220031310 is 1313002212331.

It is a super-2 number, since 2×13321220031310² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13321220031313) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 229050735 + ... + 229108885.

It is an arithmetic number, because the mean of its divisors is an integer number (749732903046).

Almost surely, 2^{13321220031310} is an apocalyptic number.

13321220031310 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13321220031310 is a deficient number, since it is larger than the sum of its proper divisors (10670232866162).

13321220031310 is a wasteful number, since it uses less digits than its factorization.

13321220031310 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70428.

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

Adding to 13321220031310 its reverse (1313002212331), we get a palindrome (14634222243641).

The spelling of 13321220031310 in words is "thirteen trillion, three hundred twenty-one billion, two hundred twenty million, thirty-one thousand, three hundred ten".