13311431422 has 4 divisors (see below), whose sum is σ = 19967147136. Its totient is φ = 6655715710.

The previous prime is 13311431381. The next prime is 13311431423. The reversal of 13311431422 is 22413411331.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13311431423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3327857854 + ... + 3327857857.

It is an arithmetic number, because the mean of its divisors is an integer number (4991786784).

Almost surely, 2^13311431422 is an apocalyptic number.

13311431422 is a deficient number, since it is larger than the sum of its proper divisors (6655715714).

13311431422 is an equidigital number, since it uses as much as digits as its factorization.

13311431422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6655715713.

The product of its digits is 1728, while the sum is 25.

Adding to 13311431422 its reverse (22413411331), we get a palindrome (35724842753).

The spelling of 13311431422 in words is "thirteen billion, three hundred eleven million, four hundred thirty-one thousand, four hundred twenty-two".