13142252321 has 16 divisors (see below), whose sum is σ = 14424480000. Its totient is φ = 11874810000.

The previous prime is 13142252309. The next prime is 13142252351. The reversal of 13142252321 is 12325224131.

It is not a de Polignac number, because 13142252321 - 2¹⁴ = 13142235937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (13142252351) 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, 1372970 + ... + 1382508.

It is an arithmetic number, because the mean of its divisors is an integer number (901530000).

Almost surely, 2^13142252321 is an apocalyptic number.

13142252321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

13142252321 is a deficient number, since it is larger than the sum of its proper divisors (1282227679).

13142252321 is a wasteful number, since it uses less digits than its factorization.

13142252321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10300.

The product of its digits is 2880, while the sum is 26.

Adding to 13142252321 its reverse (12325224131), we get a palindrome (25467476452).

The spelling of 13142252321 in words is "thirteen billion, one hundred forty-two million, two hundred fifty-two thousand, three hundred twenty-one".