11131343142 has 16 divisors (see below), whose sum is σ = 22319921520. Its totient is φ = 3700908512.

The previous prime is 11131343101. The next prime is 11131343159. The reversal of 11131343142 is 24134313111.

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, 2382273 + ... + 2386940.

It is an arithmetic number, because the mean of its divisors is an integer number (1394995095).

Almost surely, 2^11131343142 is an apocalyptic number.

11131343142 is an abundant number, since it is smaller than the sum of its proper divisors (11188578378).

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

11131343142 is a wasteful number, since it uses less digits than its factorization.

11131343142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4769607.

The product of its digits is 864, while the sum is 24.

Adding to 11131343142 its reverse (24134313111), we get a palindrome (35265656253).

The spelling of 11131343142 in words is "eleven billion, one hundred thirty-one million, three hundred forty-three thousand, one hundred forty-two".