403432131213 has 12 divisors (see below), whose sum is σ = 586446992508. Its totient is φ = 267241665600.

The previous prime is 403432131209. The next prime is 403432131293. The reversal of 403432131213 is 312131234304.

It is a happy number.

403432131213 is a `hidden beast` number, since 4 + 0 + 3 + 432 + 13 + 1 + 213 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 251259582564 + 152172548649 = 501258^2 + 390093^2 .

It is not a de Polignac number, because 403432131213 - 2² = 403432131209 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (403432131293) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 142755888 + ... + 142758713.

It is an arithmetic number, because the mean of its divisors is an integer number (48870582709).

Almost surely, 2^403432131213 is an apocalyptic number.

It is an amenable number.

403432131213 is a deficient number, since it is larger than the sum of its proper divisors (183014861295).

403432131213 is a wasteful number, since it uses less digits than its factorization.

403432131213 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 285514764 (or 285514761 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

Adding to 403432131213 its reverse (312131234304), we get a palindrome (715563365517).

The spelling of 403432131213 in words is "four hundred three billion, four hundred thirty-two million, one hundred thirty-one thousand, two hundred thirteen".