431115325501 has 24 divisors (see below), whose sum is σ = 529930149120. Its totient is φ = 348986750112.

The previous prime is 431115325457. The next prime is 431115325507. The reversal of 431115325501 is 105523511134.

It is not a de Polignac number, because 431115325501 - 2⁹ = 431115324989 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431115325507) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2332066 + ... + 2510131.

It is an arithmetic number, because the mean of its divisors is an integer number (22080422880).

Almost surely, 2^431115325501 is an apocalyptic number.

It is an amenable number.

431115325501 is a deficient number, since it is larger than the sum of its proper divisors (98814823619).

431115325501 is a wasteful number, since it uses less digits than its factorization.

431115325501 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4842313 (or 4842306 counting only the distinct ones).

The product of its (nonzero) digits is 9000, while the sum is 31.

Adding to 431115325501 its reverse (105523511134), we get a palindrome (536638836635).

The spelling of 431115325501 in words is "four hundred thirty-one billion, one hundred fifteen million, three hundred twenty-five thousand, five hundred one".