405033121321131 has 16 divisors (see below), whose sum is σ = 540365678899200. Its totient is φ = 269861330557248.

The previous prime is 405033121321117. The next prime is 405033121321201. The reversal of 405033121321131 is 131123121330504.

It is not a de Polignac number, because 405033121321131 - 2³⁰ = 405032047579307 is a prime.

It is a super-2 number, since 2×405033121321131² (a number of 30 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (405033121321331) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 199341055 + ... + 201362663.

It is an arithmetic number, because the mean of its divisors is an integer number (33772854931200).

Almost surely, 2^{405033121321131} is an apocalyptic number.

405033121321131 is a deficient number, since it is larger than the sum of its proper divisors (135332557578069).

405033121321131 is a wasteful number, since it uses less digits than its factorization.

405033121321131 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2061338.

The product of its (nonzero) digits is 6480, while the sum is 30.

Adding to 405033121321131 its reverse (131123121330504), we get a palindrome (536156242651635).

The spelling of 405033121321131 in words is "four hundred five trillion, thirty-three billion, one hundred twenty-one million, three hundred twenty-one thousand, one hundred thirty-one".