1103020351 has 4 divisors (see below), whose sum is σ = 1106199432. Its totient is φ = 1099841272.

The previous prime is 1103020327. The next prime is 1103020363. The reversal of 1103020351 is 1530203011.

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

It is a cyclic number.

It is not a de Polignac number, because 1103020351 - 2¹³ = 1103012159 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 (1103020301) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1589020 + ... + 1589713.

It is an arithmetic number, because the mean of its divisors is an integer number (276549858).

Almost surely, 2^1103020351 is an apocalyptic number.

1103020351 is a deficient number, since it is larger than the sum of its proper divisors (3179081).

1103020351 is an equidigital number, since it uses as much as digits as its factorization.

1103020351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3179080.

The product of its (nonzero) digits is 90, while the sum is 16.

The square root of 1103020351 is about 33211.7501947729. The cubic root of 1103020351 is about 1033.2240545439.

Adding to 1103020351 its reverse (1530203011), we get a palindrome (2633223362).

The spelling of 1103020351 in words is "one billion, one hundred three million, twenty thousand, three hundred fifty-one".