2103431344 has 160 divisors (see below), whose sum is σ = 5012885504. Its totient is φ = 836075520.

The previous prime is 2103431329. The next prime is 2103431377. The reversal of 2103431344 is 4431343012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10898512 + ... + 10898704.

Almost surely, 2^2103431344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103431344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2506442752).

2103431344 is an abundant number, since it is smaller than the sum of its proper divisors (2909454160).

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

2103431344 is a wasteful number, since it uses less digits than its factorization.

2103431344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355 (or 349 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 25.

The square root of 2103431344 is about 45863.1807008629. The cubic root of 2103431344 is about 1281.2762628477.

Adding to 2103431344 its reverse (4431343012), we get a palindrome (6534774356).

The spelling of 2103431344 in words is "two billion, one hundred three million, four hundred thirty-one thousand, three hundred forty-four".