2103231040 has 28 divisors (see below), whose sum is σ = 5008319676. Its totient is φ = 841292288.

The previous prime is 2103231037. The next prime is 2103231043. The reversal of 2103231040 is 401323012.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (2103231037) and next prime (2103231043).

It can be written as a sum of positive squares in 2 ways, for example, as 1340145664 + 763085376 = 36608^2 + 27624^2 .

It is a Harshad number since it is a multiple of its sum of digits (16).

It is not an unprimeable number, because it can be changed into a prime (2103231043) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3285979 + ... + 3286618.

Almost surely, 2^2103231040 is an apocalyptic number.

2103231040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103231040 is an abundant number, since it is smaller than the sum of its proper divisors (2905088636).

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

2103231040 is an equidigital number, since it uses as much as digits as its factorization.

2103231040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6572614 (or 6572604 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 16.

The square root of 2103231040 is about 45860.9969363947. The cubic root of 2103231040 is about 1281.2355907481.

Adding to 2103231040 its reverse (401323012), we get a palindrome (2504554052).

The spelling of 2103231040 in words is "two billion, one hundred three million, two hundred thirty-one thousand, forty".