1103143351 has 4 divisors (see below), whose sum is σ = 1103519872. Its totient is φ = 1102766832.

The previous prime is 1103143333. The next prime is 1103143367. The reversal of 1103143351 is 1533413011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1533413011 = 13 ⋅117954847.

It is a cyclic number.

It is not a de Polignac number, because 1103143351 - 2¹⁷ = 1103012279 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 (1103143051) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 183831 + ... + 189736.

It is an arithmetic number, because the mean of its divisors is an integer number (275879968).

Almost surely, 2^1103143351 is an apocalyptic number.

1103143351 is a deficient number, since it is larger than the sum of its proper divisors (376521).

1103143351 is an equidigital number, since it uses as much as digits as its factorization.

1103143351 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 376520.

The product of its (nonzero) digits is 540, while the sum is 22.

The square root of 1103143351 is about 33213.6018974155. The cubic root of 1103143351 is about 1033.2624587417.

Adding to 1103143351 its reverse (1533413011), we get a palindrome (2636556362).

The spelling of 1103143351 in words is "one billion, one hundred three million, one hundred forty-three thousand, three hundred fifty-one".