2331143340 has 48 divisors (see below), whose sum is σ = 6530455008. Its totient is φ = 621328384.

The previous prime is 2331143333. The next prime is 2331143351. The reversal of 2331143340 is 433411332.

2331143340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 2331143340.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 127834 + ... + 144926.

It is an arithmetic number, because the mean of its divisors is an integer number (136051146).

Almost surely, 2^2331143340 is an apocalyptic number.

2331143340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331143340 is an abundant number, since it is smaller than the sum of its proper divisors (4199311668).

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

2331143340 is a wasteful number, since it uses less digits than its factorization.

2331143340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19378 (or 19376 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 2331143340 is about 48281.9152478441. The cubic root of 2331143340 is about 1325.9373151824.

Adding to 2331143340 its reverse (433411332), we get a palindrome (2764554672).

The spelling of 2331143340 in words is "two billion, three hundred thirty-one million, one hundred forty-three thousand, three hundred forty".