13312103421 has 32 divisors (see below), whose sum is σ = 19357286400. Its totient is φ = 8115791040.

The previous prime is 13312103381. The next prime is 13312103449. The reversal of 13312103421 is 12430121331.

It is not a de Polignac number, because 13312103421 - 2²³ = 13303714813 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13312103221) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 74250 + ... + 179268.

It is an arithmetic number, because the mean of its divisors is an integer number (604915200).

Almost surely, 2^13312103421 is an apocalyptic number.

It is an amenable number.

13312103421 is a deficient number, since it is larger than the sum of its proper divisors (6045182979).

13312103421 is a wasteful number, since it uses less digits than its factorization.

13312103421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105129.

The product of its (nonzero) digits is 432, while the sum is 21.

Adding to 13312103421 its reverse (12430121331), we get a palindrome (25742224752).

The spelling of 13312103421 in words is "thirteen billion, three hundred twelve million, one hundred three thousand, four hundred twenty-one".