420134534322231 has 8 divisors (see below), whose sum is σ = 560196700254064. Its totient is φ = 280081028969280.

The previous prime is 420134534322187. The next prime is 420134534322257. The reversal of 420134534322231 is 132223435431024.

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

It is not a de Polignac number, because 420134534322231 - 2¹⁰ = 420134534321207 is a prime.

It is a super-2 number, since 2×420134534322231² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 420134534322231.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (420134534322131) 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, 2165031526 + ... + 2165225571.

It is an arithmetic number, because the mean of its divisors is an integer number (70024587531758).

Almost surely, 2^{420134534322231} is an apocalyptic number.

420134534322231 is a deficient number, since it is larger than the sum of its proper divisors (140062165931833).

420134534322231 is a wasteful number, since it uses less digits than its factorization.

420134534322231 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4330289441.

The product of its (nonzero) digits is 414720, while the sum is 39.

Adding to 420134534322231 its reverse (132223435431024), we get a palindrome (552357969753255).

The spelling of 420134534322231 in words is "four hundred twenty trillion, one hundred thirty-four billion, five hundred thirty-four million, three hundred twenty-two thousand, two hundred thirty-one".