405230522511431 has 8 divisors (see below), whose sum is σ = 405358146443040. Its totient is φ = 405102914865792.

The previous prime is 405230522511371. The next prime is 405230522511457. The reversal of 405230522511431 is 134115225032504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-405230522511431 is a prime.

It is a super-2 number, since 2×405230522511431² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (405230522511481) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45796835 + ... + 53924123.

It is an arithmetic number, because the mean of its divisors is an integer number (50669768305380).

Almost surely, 2^{405230522511431} is an apocalyptic number.

405230522511431 is a deficient number, since it is larger than the sum of its proper divisors (127623931609).

405230522511431 is a wasteful number, since it uses less digits than its factorization.

405230522511431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8142985.

The product of its (nonzero) digits is 144000, while the sum is 38.

Adding to 405230522511431 its reverse (134115225032504), we get a palindrome (539345747543935).

The spelling of 405230522511431 in words is "four hundred five trillion, two hundred thirty billion, five hundred twenty-two million, five hundred eleven thousand, four hundred thirty-one".