2231243134142 has 72 divisors (see below), whose sum is σ = 3917708318160. Its totient is φ = 952150144000.

The previous prime is 2231243134139. The next prime is 2231243134157. The reversal of 2231243134142 is 2414313421322.

It is a happy number.

It is a super-3 number, since 3×2231243134142³ (a number of 38 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2231243134099 and 2231243134108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 28005359 + ... + 28084917.

It is an arithmetic number, because the mean of its divisors is an integer number (54412615530).

Almost surely, 2^{2231243134142} is an apocalyptic number.

2231243134142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2231243134142 is a deficient number, since it is larger than the sum of its proper divisors (1686465184018).

2231243134142 is a wasteful number, since it uses less digits than its factorization.

2231243134142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80018 (or 79990 counting only the distinct ones).

The product of its digits is 27648, while the sum is 32.

Adding to 2231243134142 its reverse (2414313421322), we get a palindrome (4645556555464).

The spelling of 2231243134142 in words is "two trillion, two hundred thirty-one billion, two hundred forty-three million, one hundred thirty-four thousand, one hundred forty-two".