13431421015522 has 16 divisors (see below), whose sum is σ = 20800475396352. Its totient is φ = 6498000808560.

The previous prime is 13431421015487. The next prime is 13431421015541. The reversal of 13431421015522 is 22551012413431.

13431421015522 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17519628 + ... + 18270199.

It is an arithmetic number, because the mean of its divisors is an integer number (1300029712272).

Almost surely, 2^{13431421015522} is an apocalyptic number.

13431421015522 is a deficient number, since it is larger than the sum of its proper divisors (7369054380830).

13431421015522 is a wasteful number, since it uses less digits than its factorization.

13431421015522 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35795913.

The product of its (nonzero) digits is 28800, while the sum is 34.

Adding to 13431421015522 its reverse (22551012413431), we get a palindrome (35982433428953).

The spelling of 13431421015522 in words is "thirteen trillion, four hundred thirty-one billion, four hundred twenty-one million, fifteen thousand, five hundred twenty-two".