431213123431 has 8 divisors (see below), whose sum is σ = 453915647280. Its totient is φ = 408511309248.

The previous prime is 431213123423. The next prime is 431213123441. The reversal of 431213123431 is 134321312134.

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

It is a cyclic number.

It is not a de Polignac number, because 431213123431 - 2³ = 431213123423 is a prime.

It is a super-2 number, since 2×431213123431² (a number of 24 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 431213123431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431213123401) 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, 1455075 + ... + 1726171.

It is an arithmetic number, because the mean of its divisors is an integer number (56739455910).

Almost surely, 2^431213123431 is an apocalyptic number.

431213123431 is a deficient number, since it is larger than the sum of its proper divisors (22702523849).

431213123431 is a wasteful number, since it uses less digits than its factorization.

431213123431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354833.

The product of its digits is 5184, while the sum is 28.

Adding to 431213123431 its reverse (134321312134), we get a palindrome (565534435565).

The spelling of 431213123431 in words is "four hundred thirty-one billion, two hundred thirteen million, one hundred twenty-three thousand, four hundred thirty-one".