13031443142 has 16 divisors (see below), whose sum is σ = 20079795840. Its totient is φ = 6338253888.

The previous prime is 13031443133. The next prime is 13031443169. The reversal of 13031443142 is 24134413031.

It is a happy number.

It is a congruent number.

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, 383834 + ... + 416402.

It is an arithmetic number, because the mean of its divisors is an integer number (1254987240).

Almost surely, 2^13031443142 is an apocalyptic number.

13031443142 is a deficient number, since it is larger than the sum of its proper divisors (7048352698).

13031443142 is a wasteful number, since it uses less digits than its factorization.

13031443142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38015.

The product of its (nonzero) digits is 3456, while the sum is 26.

Adding to 13031443142 its reverse (24134413031), we get a palindrome (37165856173).

The spelling of 13031443142 in words is "thirteen billion, thirty-one million, four hundred forty-three thousand, one hundred forty-two".