1420311103 has 4 divisors (see below), whose sum is σ = 1420458768. Its totient is φ = 1420163440.

The previous prime is 1420311089. The next prime is 1420311107. The reversal of 1420311103 is 3011130241.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1420311103 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 (1420311107) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 58318 + ... + 79003.

It is an arithmetic number, because the mean of its divisors is an integer number (355114692).

Almost surely, 2^1420311103 is an apocalyptic number.

1420311103 is a deficient number, since it is larger than the sum of its proper divisors (147665).

1420311103 is a wasteful number, since it uses less digits than its factorization.

1420311103 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147664.

The product of its (nonzero) digits is 72, while the sum is 16.

The square root of 1420311103 is about 37687.0150449727. The cubic root of 1420311103 is about 1124.0729424068.

Adding to 1420311103 its reverse (3011130241), we get a palindrome (4431441344).

The spelling of 1420311103 in words is "one billion, four hundred twenty million, three hundred eleven thousand, one hundred three".