431431144203422 has 32 divisors (see below), whose sum is σ = 707727006201600. Its totient is φ = 195619326753600.

The previous prime is 431431144203373. The next prime is 431431144203517. The reversal of 431431144203422 is 224302441134134.

It is a super-2 number, since 2×431431144203422² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 286203479 + ... + 287706957.

It is an arithmetic number, because the mean of its divisors is an integer number (22116468943800).

Almost surely, 2^{431431144203422} is an apocalyptic number.

431431144203422 is a deficient number, since it is larger than the sum of its proper divisors (276295861998178).

431431144203422 is a wasteful number, since it uses less digits than its factorization.

431431144203422 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1535792.

The product of its (nonzero) digits is 221184, while the sum is 38.

Adding to 431431144203422 its reverse (224302441134134), we get a palindrome (655733585337556).

The spelling of 431431144203422 in words is "four hundred thirty-one trillion, four hundred thirty-one billion, one hundred forty-four million, two hundred three thousand, four hundred twenty-two".