2331345521142 has 48 divisors (see below), whose sum is σ = 5510555668800. Its totient is φ = 706455183600.

The previous prime is 2331345521123. The next prime is 2331345521147. The reversal of 2331345521142 is 2411255431332.

2331345521142 is a `hidden beast` number, since 2 + 3 + 31 + 34 + 552 + 1 + 1 + 42 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 2331345521097 and 2331345521106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331345521147) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 18543609 + ... + 18668907.

It is an arithmetic number, because the mean of its divisors is an integer number (114803243100).

Almost surely, 2^{2331345521142} is an apocalyptic number.

2331345521142 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

2331345521142 is an abundant number, since it is smaller than the sum of its proper divisors (3179210147658).

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

2331345521142 is a wasteful number, since it uses less digits than its factorization.

2331345521142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 219289 (or 219286 counting only the distinct ones).

The product of its digits is 86400, while the sum is 36.

The spelling of 2331345521142 in words is "two trillion, three hundred thirty-one billion, three hundred forty-five million, five hundred twenty-one thousand, one hundred forty-two".