2331540352 has 16 divisors (see below), whose sum is σ = 4644865800. Its totient is φ = 1165770112.

The previous prime is 2331540329. The next prime is 2331540359. The reversal of 2331540352 is 2530451332.

It is a tau number, because it is divible by the number of its divisors (16).

It is a self number, because there is not a number n which added to its sum of digits gives 2331540352.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331540359) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9107452 + ... + 9107707.

Almost surely, 2^2331540352 is an apocalyptic number.

It is an amenable number.

2331540352 is a deficient number, since it is larger than the sum of its proper divisors (2313325448).

2331540352 is an equidigital number, since it uses as much as digits as its factorization.

2331540352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18215173 (or 18215161 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 28.

The square root of 2331540352 is about 48286.0264672918. The cubic root of 2331540352 is about 1326.0125834189.

Adding to 2331540352 its reverse (2530451332), we get a palindrome (4861991684).

The spelling of 2331540352 in words is "two billion, three hundred thirty-one million, five hundred forty thousand, three hundred fifty-two".