20120331103103 has 32 divisors (see below), whose sum is σ = 25246174348800. Its totient is φ = 15577511564160.

The previous prime is 20120331103099. The next prime is 20120331103133. The reversal of 20120331103103 is 30130113302102.

It is not a de Polignac number, because 20120331103103 - 2² = 20120331103099 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (20120331103133) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 352039373 + ... + 352096521.

It is an arithmetic number, because the mean of its divisors is an integer number (788942948400).

Almost surely, 2^{20120331103103} is an apocalyptic number.

20120331103103 is a deficient number, since it is larger than the sum of its proper divisors (5125843245697).

20120331103103 is a wasteful number, since it uses less digits than its factorization.

20120331103103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 86447.

The product of its (nonzero) digits is 324, while the sum is 20.

Adding to 20120331103103 its reverse (30130113302102), we get a palindrome (50250444405205).

The spelling of 20120331103103 in words is "twenty trillion, one hundred twenty billion, three hundred thirty-one million, one hundred three thousand, one hundred three".