431325240004631 has 16 divisors (see below), whose sum is σ = 504973703055360. Its totient is φ = 360684690160320.

The previous prime is 431325240004609. The next prime is 431325240004661. The reversal of 431325240004631 is 136400042523134.

It is a cyclic number.

It is not a de Polignac number, because 431325240004631 - 2²² = 431325235810327 is a prime.

It is a super-2 number, since 2×431325240004631² (a number of 30 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431325240004661) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7976690 + ... + 30434816.

It is an arithmetic number, because the mean of its divisors is an integer number (31560856440960).

Almost surely, 2^{431325240004631} is an apocalyptic number.

431325240004631 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

431325240004631 is a deficient number, since it is larger than the sum of its proper divisors (73648463050729).

431325240004631 is a wasteful number, since it uses less digits than its factorization.

431325240004631 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22525094.

The product of its (nonzero) digits is 207360, while the sum is 38.

Adding to 431325240004631 its reverse (136400042523134), we get a palindrome (567725282527765).

The spelling of 431325240004631 in words is "four hundred thirty-one trillion, three hundred twenty-five billion, two hundred forty million, four thousand, six hundred thirty-one".