2331540651 has 32 divisors (see below), whose sum is σ = 3453166080. Its totient is φ = 1399089120.

The previous prime is 2331540623. The next prime is 2331540683. The reversal of 2331540651 is 1560451332.

It is not a de Polignac number, because 2331540651 - 2⁵ = 2331540619 is a prime.

It is a super-3 number, since 3×2331540651³ (a number of 29 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2331540611) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 408445 + ... + 414113.

It is an arithmetic number, because the mean of its divisors is an integer number (107911440).

Almost surely, 2^2331540651 is an apocalyptic number.

2331540651 is a deficient number, since it is larger than the sum of its proper divisors (1121625429).

2331540651 is a wasteful number, since it uses less digits than its factorization.

2331540651 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5808 (or 5786 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 2331540651 is about 48286.0295634255. The cubic root of 2331540651 is about 1326.0126401021.

Adding to 2331540651 its reverse (1560451332), we get a palindrome (3891991983).

The spelling of 2331540651 in words is "two billion, three hundred thirty-one million, five hundred forty thousand, six hundred fifty-one".