1103213003 has 4 divisors (see below), whose sum is σ = 1104557568. Its totient is φ = 1101868440.

The previous prime is 1103212997. The next prime is 1103213051. The reversal of 1103213003 is 3003123011.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3003123011 = 7 ⋅429017573.

It is a cyclic number.

It is not a de Polignac number, because 1103213003 - 2⁴ = 1103212987 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1103219003) 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, 671051 + ... + 672692.

It is an arithmetic number, because the mean of its divisors is an integer number (276139392).

Almost surely, 2^1103213003 is an apocalyptic number.

1103213003 is a deficient number, since it is larger than the sum of its proper divisors (1344565).

1103213003 is an equidigital number, since it uses as much as digits as its factorization.

1103213003 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1344564.

The product of its (nonzero) digits is 54, while the sum is 14.

The square root of 1103213003 is about 33214.6504271835. The cubic root of 1103213003 is about 1033.2842048674.

Adding to 1103213003 its reverse (3003123011), we get a palindrome (4106336014).

The spelling of 1103213003 in words is "one billion, one hundred three million, two hundred thirteen thousand, three".