1003400213 has 4 divisors (see below), whose sum is σ = 1006090668. Its totient is φ = 1000709760.

The previous prime is 1003400207. The next prime is 1003400239. The reversal of 1003400213 is 3120043001.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3120043001 = 8537 ⋅365473.

It can be written as a sum of positive squares in 2 ways, for example, as 178676689 + 824723524 = 13367^2 + 28718^2 .

It is a cyclic number.

It is not a de Polignac number, because 1003400213 - 2⁶ = 1003400149 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 (1003400243) 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, 1344668 + ... + 1345413.

It is an arithmetic number, because the mean of its divisors is an integer number (251522667).

Almost surely, 2^1003400213 is an apocalyptic number.

It is an amenable number.

1003400213 is a deficient number, since it is larger than the sum of its proper divisors (2690455).

1003400213 is an equidigital number, since it uses as much as digits as its factorization.

1003400213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2690454.

The product of its (nonzero) digits is 72, while the sum is 14.

The square root of 1003400213 is about 31676.4930666259. The cubic root of 1003400213 is about 1001.1321221491.

Adding to 1003400213 its reverse (3120043001), we get a palindrome (4123443214).

The spelling of 1003400213 in words is "one billion, three million, four hundred thousand, two hundred thirteen".