13331480421 has 12 divisors (see below), whose sum is σ = 20677398432. Its totient is φ = 7617988728.

The previous prime is 13331480413. The next prime is 13331480431. The reversal of 13331480421 is 12408413331.

It is a happy number.

It is not a de Polignac number, because 13331480421 - 2³ = 13331480413 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13331480401) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 45345025 + ... + 45345318.

It is an arithmetic number, because the mean of its divisors is an integer number (1723116536).

Almost surely, 2^13331480421 is an apocalyptic number.

It is an amenable number.

13331480421 is a deficient number, since it is larger than the sum of its proper divisors (7345918011).

13331480421 is an equidigital number, since it uses as much as digits as its factorization.

13331480421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90690360 (or 90690353 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

Adding to 13331480421 its reverse (12408413331), we get a palindrome (25739893752).

The spelling of 13331480421 in words is "thirteen billion, three hundred thirty-one million, four hundred eighty thousand, four hundred twenty-one".