13381421242 has 32 divisors (see below), whose sum is σ = 24374915712. Its totient is φ = 5378448384.

The previous prime is 13381421239. The next prime is 13381421279. The reversal of 13381421242 is 24212418331.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31983 + ... + 166690.

It is an arithmetic number, because the mean of its divisors is an integer number (761716116).

Almost surely, 2^13381421242 is an apocalyptic number.

13381421242 is a deficient number, since it is larger than the sum of its proper divisors (10993494470).

13381421242 is a wasteful number, since it uses less digits than its factorization.

13381421242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 198982.

The product of its digits is 9216, while the sum is 31.

Adding to 13381421242 its reverse (24212418331), we get a palindrome (37593839573).

The spelling of 13381421242 in words is "thirteen billion, three hundred eighty-one million, four hundred twenty-one thousand, two hundred forty-two".