1113030143 has 4 divisors (see below), whose sum is σ = 1113450768. Its totient is φ = 1112609520.

The previous prime is 1113030109. The next prime is 1113030223. The reversal of 1113030143 is 3410303111.

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 1113030143 - 2⁸ = 1113029887 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 (1113030943) 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, 206318 + ... + 211643.

It is an arithmetic number, because the mean of its divisors is an integer number (278362692).

Almost surely, 2^1113030143 is an apocalyptic number.

1113030143 is a deficient number, since it is larger than the sum of its proper divisors (420625).

1113030143 is an equidigital number, since it uses as much as digits as its factorization.

1113030143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 420624.

The product of its (nonzero) digits is 108, while the sum is 17.

The square root of 1113030143 is about 33362.1063933319. The cubic root of 1113030143 is about 1036.3401135182.

Adding to 1113030143 its reverse (3410303111), we get a palindrome (4523333254).

The spelling of 1113030143 in words is "one billion, one hundred thirteen million, thirty thousand, one hundred forty-three".