2403203430213 has 6 divisors (see below), whose sum is σ = 3471293843654. Its totient is φ = 1602135620136.

The previous prime is 2403203430181. The next prime is 2403203430217. The reversal of 2403203430213 is 3120343023042.

2403203430213 is a `hidden beast` number, since 2 + 4 + 0 + 3 + 203 + 430 + 21 + 3 = 666.

It can be written as a sum of positive squares in only one way, i.e., 2140960092804 + 262243337409 = 1463202^2 + 512097^2 .

It is not a de Polignac number, because 2403203430213 - 2⁵ = 2403203430181 is a prime.

It is a super-2 number, since 2×2403203430213² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2403203430217) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 133511301670 + ... + 133511301687.

Almost surely, 2^{2403203430213} is an apocalyptic number.

It is an amenable number.

2403203430213 is a deficient number, since it is larger than the sum of its proper divisors (1068090413441).

2403203430213 is a wasteful number, since it uses less digits than its factorization.

2403203430213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267022603363 (or 267022603360 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 27.

Adding to 2403203430213 its reverse (3120343023042), we get a palindrome (5523546453255).

The spelling of 2403203430213 in words is "two trillion, four hundred three billion, two hundred three million, four hundred thirty thousand, two hundred thirteen".