431212521134 has 32 divisors (see below), whose sum is σ = 657737625600. Its totient is φ = 211998909472.

The previous prime is 431212521133. The next prime is 431212521139. The reversal of 431212521134 is 431125212134.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 431212521097 and 431212521106.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431212521133) by changing a digit.

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, 50471267 + ... + 50479809.

It is an arithmetic number, because the mean of its divisors is an integer number (20554300800).

Almost surely, 2^431212521134 is an apocalyptic number.

431212521134 is a deficient number, since it is larger than the sum of its proper divisors (226525104466).

431212521134 is a wasteful number, since it uses less digits than its factorization.

431212521134 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10384.

The product of its digits is 5760, while the sum is 29.

Adding to 431212521134 its reverse (431125212134), we get a palindrome (862337733268).

The spelling of 431212521134 in words is "four hundred thirty-one billion, two hundred twelve million, five hundred twenty-one thousand, one hundred thirty-four".