10203210031103 has 16 divisors (see below), whose sum is σ = 10814088345120. Its totient is φ = 9593522774016.

The previous prime is 10203210031093. The next prime is 10203210031123. The reversal of 10203210031103 is 30113001230201.

It is a cyclic number.

It is not a de Polignac number, because 10203210031103 - 2²² = 10203205836799 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (17).

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10203210031123) 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, 103780253 + ... + 103878521.

It is an arithmetic number, because the mean of its divisors is an integer number (675880521570).

Almost surely, 2^{10203210031103} is an apocalyptic number.

10203210031103 is a deficient number, since it is larger than the sum of its proper divisors (610878314017).

10203210031103 is a wasteful number, since it uses less digits than its factorization.

10203210031103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 104266.

The product of its (nonzero) digits is 108, while the sum is 17.

Adding to 10203210031103 its reverse (30113001230201), we get a palindrome (40316211261304).

The spelling of 10203210031103 in words is "ten trillion, two hundred three billion, two hundred ten million, thirty-one thousand, one hundred three".