1031020211103 has 16 divisors (see below), whose sum is σ = 1448677374720. Its totient is φ = 650436500736.

The previous prime is 1031020211083. The next prime is 1031020211113. The reversal of 1031020211103 is 3011120201301.

It is a happy number.

It is not a de Polignac number, because 1031020211103 - 2¹⁰ = 1031020210079 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1031020211113) 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, 10145650 + ... + 10246767.

It is an arithmetic number, because the mean of its divisors is an integer number (90542335920).

Almost surely, 2^{1031020211103} is an apocalyptic number.

1031020211103 is a deficient number, since it is larger than the sum of its proper divisors (417657163617).

1031020211103 is a wasteful number, since it uses less digits than its factorization.

1031020211103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20393326.

The product of its (nonzero) digits is 36, while the sum is 15.

Adding to 1031020211103 its reverse (3011120201301), we get a palindrome (4042140412404).

The spelling of 1031020211103 in words is "one trillion, thirty-one billion, twenty million, two hundred eleven thousand, one hundred three".