403432313213 has 4 divisors (see below), whose sum is σ = 403473251580. Its totient is φ = 403391374848.

The previous prime is 403432313189. The next prime is 403432313309. The reversal of 403432313213 is 312313234304.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 127636136644 + 275796176569 = 357262^2 + 525163^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-403432313213 is a prime.

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 (403432313113) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20454398 + ... + 20474111.

It is an arithmetic number, because the mean of its divisors is an integer number (100868312895).

Almost surely, 2^403432313213 is an apocalyptic number.

It is an amenable number.

403432313213 is a deficient number, since it is larger than the sum of its proper divisors (40938367).

403432313213 is an equidigital number, since it uses as much as digits as its factorization.

403432313213 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40938366.

The product of its (nonzero) digits is 15552, while the sum is 29.

Adding to 403432313213 its reverse (312313234304), we get a palindrome (715745547517).

The spelling of 403432313213 in words is "four hundred three billion, four hundred thirty-two million, three hundred thirteen thousand, two hundred thirteen".