11312143422 has 16 divisors (see below), whose sum is σ = 23235754512. Its totient is φ = 3668803200.

The previous prime is 11312143421. The next prime is 11312143463. The reversal of 11312143422 is 22434121311.

It is a junction number, because it is equal to n+sod(n) for n = 11312143392 and 11312143401.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (11312143421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25477579 + ... + 25478022.

It is an arithmetic number, because the mean of its divisors is an integer number (1452234657).

Almost surely, 2^11312143422 is an apocalyptic number.

11312143422 is an abundant number, since it is smaller than the sum of its proper divisors (11923611090).

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

11312143422 is a wasteful number, since it uses less digits than its factorization.

11312143422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50955643.

The product of its digits is 1152, while the sum is 24.

Adding to 11312143422 its reverse (22434121311), we get a palindrome (33746264733).

The spelling of 11312143422 in words is "eleven billion, three hundred twelve million, one hundred forty-three thousand, four hundred twenty-two".