2103242140 has 12 divisors (see below), whose sum is σ = 4416808536. Its totient is φ = 841296848.

The previous prime is 2103242087. The next prime is 2103242143. The reversal of 2103242140 is 412423012.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2103242143) 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, 52581034 + ... + 52581073.

It is an arithmetic number, because the mean of its divisors is an integer number (368067378).

Almost surely, 2^2103242140 is an apocalyptic number.

2103242140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103242140 is an abundant number, since it is smaller than the sum of its proper divisors (2313566396).

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

2103242140 is a wasteful number, since it uses less digits than its factorization.

2103242140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 105162116 (or 105162114 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 19.

The square root of 2103242140 is about 45861.1179541014. The cubic root of 2103242140 is about 1281.2378446913.

Adding to 2103242140 its reverse (412423012), we get a palindrome (2515665152).

The spelling of 2103242140 in words is "two billion, one hundred three million, two hundred forty-two thousand, one hundred forty".