2103431103220 has 24 divisors (see below), whose sum is σ = 4511188410624. Its totient is φ = 823470899616.

The previous prime is 2103431103217. The next prime is 2103431103233. The reversal of 2103431103220 is 223011343012.

It is a junction number, because it is equal to n+sod(n) for n = 2103431103191 and 2103431103200.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1118845392 + ... + 1118847271.

It is an arithmetic number, because the mean of its divisors is an integer number (187966183776).

Almost surely, 2^{2103431103220} is an apocalyptic number.

2103431103220 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2103431103220 is an abundant number, since it is smaller than the sum of its proper divisors (2407757307404).

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

2103431103220 is a wasteful number, since it uses less digits than its factorization.

2103431103220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2237692719 (or 2237692717 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 22.

Adding to 2103431103220 its reverse (223011343012), we get a palindrome (2326442446232).

The spelling of 2103431103220 in words is "two trillion, one hundred three billion, four hundred thirty-one million, one hundred three thousand, two hundred twenty".