1220031000103 has 16 divisors (see below), whose sum is σ = 1269118439680. Its totient is φ = 1171580371200.

The previous prime is 1220031000049. The next prime is 1220031000109. The reversal of 1220031000103 is 3010001300221.

It is not a de Polignac number, because 1220031000103 - 2³⁷ = 1082592046631 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 (1220031000109) 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, 2326333 + ... + 2802121.

It is an arithmetic number, because the mean of its divisors is an integer number (79319902480).

Almost surely, 2^{1220031000103} is an apocalyptic number.

1220031000103 is a deficient number, since it is larger than the sum of its proper divisors (49087439577).

1220031000103 is a wasteful number, since it uses less digits than its factorization.

1220031000103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 476458.

The product of its (nonzero) digits is 36, while the sum is 13.

Adding to 1220031000103 its reverse (3010001300221), we get a palindrome (4230032300324).

The spelling of 1220031000103 in words is "one trillion, two hundred twenty billion, thirty-one million, one hundred three", and thus it is an aban number.