2331103440 has 40 divisors (see below), whose sum is σ = 7226421408. Its totient is φ = 621627520.

The previous prime is 2331103417. The next prime is 2331103441. The reversal of 2331103440 is 443011332.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2331103441) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4856226 + ... + 4856705.

Almost surely, 2^2331103440 is an apocalyptic number.

2331103440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2331103440 is an abundant number, since it is smaller than the sum of its proper divisors (4895317968).

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

2331103440 is a wasteful number, since it uses less digits than its factorization.

2331103440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9712947 (or 9712941 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 2331103440 is about 48281.5020478858. The cubic root of 2331103440 is about 1325.9297501964.

Adding to 2331103440 its reverse (443011332), we get a palindrome (2774114772).

The spelling of 2331103440 in words is "two billion, three hundred thirty-one million, one hundred three thousand, four hundred forty".