1113000403 has 2 divisors, whose sum is σ = 1113000404. Its totient is φ = 1113000402.

The previous prime is 1113000401. The next prime is 1113000431. The reversal of 1113000403 is 3040003111.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1113000403 - 2¹ = 1113000401 is a prime.

Together with 1113000401, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1113000401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 556500201 + 556500202.

It is an arithmetic number, because the mean of its divisors is an integer number (556500202).

Almost surely, 2^1113000403 is an apocalyptic number.

1113000403 is a deficient number, since it is larger than the sum of its proper divisors (1).

1113000403 is an equidigital number, since it uses as much as digits as its factorization.

1113000403 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36, while the sum is 13.

The square root of 1113000403 is about 33361.6606750923. The cubic root of 1113000403 is about 1036.3308831514.

Adding to 1113000403 its reverse (3040003111), we get a palindrome (4153003514).

The spelling of 1113000403 in words is "one billion, one hundred thirteen million, four hundred three", and thus it is an aban number.