13431334242 has 32 divisors (see below), whose sum is σ = 28081095552. Its totient is φ = 4274741504.

The previous prime is 13431334223. The next prime is 13431334261. The reversal of 13431334242 is 24243313431.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (13431334223) and next prime (13431334261).

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, 10503 + ... + 164234.

It is an arithmetic number, because the mean of its divisors is an integer number (877534236).

Almost surely, 2^13431334242 is an apocalyptic number.

13431334242 is an abundant number, since it is smaller than the sum of its proper divisors (14649761310).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13431334242 is a wasteful number, since it uses less digits than its factorization.

13431334242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175322.

The product of its digits is 20736, while the sum is 30.

Adding to 13431334242 its reverse (24243313431), we get a palindrome (37674647673).

The spelling of 13431334242 in words is "thirteen billion, four hundred thirty-one million, three hundred thirty-four thousand, two hundred forty-two".