531400355434 has 16 divisors (see below), whose sum is σ = 866438542368. Its totient is φ = 242969535792.

The previous prime is 531400355413. The next prime is 531400355477. The reversal of 531400355434 is 434553004135.

It is a junction number, because it is equal to n+sod(n) for n = 531400355393 and 531400355402.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 95504112 + ... + 95509675.

It is an arithmetic number, because the mean of its divisors is an integer number (54152408898).

Almost surely, 2^531400355434 is an apocalyptic number.

531400355434 is a deficient number, since it is larger than the sum of its proper divisors (335038186934).

531400355434 is a wasteful number, since it uses less digits than its factorization.

531400355434 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191013909.

The product of its (nonzero) digits is 216000, while the sum is 37.

Adding to 531400355434 its reverse (434553004135), we get a palindrome (965953359569).

The spelling of 531400355434 in words is "five hundred thirty-one billion, four hundred million, three hundred fifty-five thousand, four hundred thirty-four".