2103431120 has 80 divisors (see below), whose sum is σ = 5609426688. Its totient is φ = 718556160.

The previous prime is 2103431117. The next prime is 2103431123. The reversal of 2103431120 is 211343012.

It is an interprime number because it is at equal distance from previous prime (2103431117) and next prime (2103431123).

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103431123) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 150677 + ... + 164043.

Almost surely, 2^2103431120 is an apocalyptic number.

2103431120 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2103431120, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2804713344).

2103431120 is an abundant number, since it is smaller than the sum of its proper divisors (3505995568).

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

2103431120 is a wasteful number, since it uses less digits than its factorization.

2103431120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13668 (or 13662 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 2103431120 is about 45863.1782588167. The cubic root of 2103431120 is about 1281.2762173656.

Adding to 2103431120 its reverse (211343012), we get a palindrome (2314774132).

The spelling of 2103431120 in words is "two billion, one hundred three million, four hundred thirty-one thousand, one hundred twenty".