13231435104434 has 16 divisors (see below), whose sum is σ = 20891899965600. Its totient is φ = 6267473793504.

The previous prime is 13231435104389. The next prime is 13231435104449. The reversal of 13231435104434 is 43440153413231.

It is a Harshad number since it is a multiple of its sum of digits (38).

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, 3952649 + ... + 6487395.

It is an arithmetic number, because the mean of its divisors is an integer number (1305743747850).

Almost surely, 2^{13231435104434} is an apocalyptic number.

13231435104434 is a deficient number, since it is larger than the sum of its proper divisors (7660464861166).

13231435104434 is a wasteful number, since it uses less digits than its factorization.

13231435104434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2672137.

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 13231435104434 its reverse (43440153413231), we get a palindrome (56671588517665).

The spelling of 13231435104434 in words is "thirteen trillion, two hundred thirty-one billion, four hundred thirty-five million, one hundred four thousand, four hundred thirty-four".