1420031103 has 16 divisors (see below), whose sum is σ = 1950109536. Its totient is φ = 918466560.

The previous prime is 1420031087. The next prime is 1420031149. The reversal of 1420031103 is 3011300241.

It is not a de Polignac number, because 1420031103 - 2⁴ = 1420031087 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1420031153) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21063 + ... + 57303.

It is an arithmetic number, because the mean of its divisors is an integer number (121881846).

Almost surely, 2^1420031103 is an apocalyptic number.

1420031103 is a deficient number, since it is larger than the sum of its proper divisors (530078433).

1420031103 is a wasteful number, since it uses less digits than its factorization.

1420031103 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36634.

The product of its (nonzero) digits is 72, while the sum is 15.

The square root of 1420031103 is about 37683.3000545334. The cubic root of 1420031103 is about 1123.9990710069. Note that the first 3 decimals are identical.

Adding to 1420031103 its reverse (3011300241), we get a palindrome (4431331344).

The spelling of 1420031103 in words is "one billion, four hundred twenty million, thirty-one thousand, one hundred three".