431223131004122 has 8 divisors (see below), whose sum is σ = 650186171618196. Its totient is φ = 214494407131392.

The previous prime is 431223131004121. The next prime is 431223131004143. The reversal of 431223131004122 is 221400131322134.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 416186969236921 + 15036161767201 = 20400661^2 + 3877649^2 .

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

It is not an unprimeable number, because it can be changed into a prime (431223131004121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 558579184853 + ... + 558579185624.

Almost surely, 2^{431223131004122} is an apocalyptic number.

431223131004122 is a deficient number, since it is larger than the sum of its proper divisors (218963040614074).

431223131004122 is a wasteful number, since it uses less digits than its factorization.

431223131004122 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1117158370672.

The product of its (nonzero) digits is 6912, while the sum is 29.

Adding to 431223131004122 its reverse (221400131322134), we get a palindrome (652623262326256).

The spelling of 431223131004122 in words is "four hundred thirty-one trillion, two hundred twenty-three billion, one hundred thirty-one million, four thousand, one hundred twenty-two".