431328468542 has 4 divisors (see below), whose sum is σ = 646992702816. Its totient is φ = 215664234270.

The previous prime is 431328468541. The next prime is 431328468551. The reversal of 431328468542 is 245864823134.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431328468541) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 107832117134 + ... + 107832117137.

It is an arithmetic number, because the mean of its divisors is an integer number (161748175704).

Almost surely, 2^431328468542 is an apocalyptic number.

431328468542 is a deficient number, since it is larger than the sum of its proper divisors (215664234274).

431328468542 is a wasteful number, since it uses less digits than its factorization.

431328468542 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 215664234273.

The product of its digits is 4423680, while the sum is 50.

The spelling of 431328468542 in words is "four hundred thirty-one billion, three hundred twenty-eight million, four hundred sixty-eight thousand, five hundred forty-two".