431121323004134 has 64 divisors (see below), whose sum is σ = 793542400512000. Its totient is φ = 171562697193888.

The previous prime is 431121323004131. The next prime is 431121323004167. The reversal of 431121323004134 is 431400323121134.

It is a self number, because there is not a number n which added to its sum of digits gives 431121323004134.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431121323004131) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 57233324 + ... + 64326479.

It is an arithmetic number, because the mean of its divisors is an integer number (12399100008000).

Almost surely, 2^{431121323004134} is an apocalyptic number.

431121323004134 is a deficient number, since it is larger than the sum of its proper divisors (362421077507866).

431121323004134 is a wasteful number, since it uses less digits than its factorization.

431121323004134 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121560097.

The product of its (nonzero) digits is 20736, while the sum is 32.

Adding to 431121323004134 its reverse (431400323121134), we get a palindrome (862521646125268).

The spelling of 431121323004134 in words is "four hundred thirty-one trillion, one hundred twenty-one billion, three hundred twenty-three million, four thousand, one hundred thirty-four".