2103103421340 has 48 divisors (see below), whose sum is σ = 5889394617120. Its totient is φ = 560760432640.

The previous prime is 2103103421329. The next prime is 2103103421401. The reversal of 2103103421340 is 431243013012.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 2103103421340.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1592001 + ... + 2596280.

It is an arithmetic number, because the mean of its divisors is an integer number (122695721190).

Almost surely, 2^{2103103421340} is an apocalyptic number.

2103103421340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103103421340 is an abundant number, since it is smaller than the sum of its proper divisors (3786291195780).

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

2103103421340 is a wasteful number, since it uses less digits than its factorization.

2103103421340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4196662 (or 4196660 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 2103103421340 its reverse (431243013012), we get a palindrome (2534346434352).

The spelling of 2103103421340 in words is "two trillion, one hundred three billion, one hundred three million, four hundred twenty-one thousand, three hundred forty".