431420040325 has 12 divisors (see below), whose sum is σ = 535049504640. Its totient is φ = 345078835760.

The previous prime is 431420040263. The next prime is 431420040329. The reversal of 431420040325 is 523040024134.

It is a happy number.

It is not a de Polignac number, because 431420040325 - 2⁷ = 431420040197 is a prime.

It is a super-2 number, since 2×431420040325² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 431420040293 and 431420040302.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431420040329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1275715 + ... + 1578064.

It is an arithmetic number, because the mean of its divisors is an integer number (44587458720).

Almost surely, 2^431420040325 is an apocalyptic number.

It is an amenable number.

431420040325 is a deficient number, since it is larger than the sum of its proper divisors (103629464315).

431420040325 is a wasteful number, since it uses less digits than its factorization.

431420040325 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2859836 (or 2859831 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 431420040325 its reverse (523040024134), we get a palindrome (954460064459).

The spelling of 431420040325 in words is "four hundred thirty-one billion, four hundred twenty million, forty thousand, three hundred twenty-five".