2102031320103 has 48 divisors (see below), whose sum is σ = 3567495684480. Its totient is φ = 1175825678400.

The previous prime is 2102031320099. The next prime is 2102031320237. The reversal of 2102031320103 is 3010231302012.

2102031320103 is a `hidden beast` number, since 210 + 2 + 0 + 31 + 320 + 103 = 666.

It is not a de Polignac number, because 2102031320103 - 2² = 2102031320099 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2102031320003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 11610288 + ... + 11789946.

It is an arithmetic number, because the mean of its divisors is an integer number (74322826760).

Almost surely, 2^{2102031320103} is an apocalyptic number.

2102031320103 is a deficient number, since it is larger than the sum of its proper divisors (1465464364377).

2102031320103 is a wasteful number, since it uses less digits than its factorization.

2102031320103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 188780 (or 188777 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 18.

Adding to 2102031320103 its reverse (3010231302012), we get a palindrome (5112262622115).

The spelling of 2102031320103 in words is "two trillion, one hundred two billion, thirty-one million, three hundred twenty thousand, one hundred three".