431001040421 has 8 divisors (see below), whose sum is σ = 492577179840. Its totient is φ = 369426041568.

The previous prime is 431001040417. The next prime is 431001040427. The reversal of 431001040421 is 124040100134.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 431001040421 - 2² = 431001040417 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 431001040393 and 431001040402.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431001040427) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 799865 + ... + 1225473.

It is an arithmetic number, because the mean of its divisors is an integer number (61572147480).

Almost surely, 2^431001040421 is an apocalyptic number.

It is an amenable number.

431001040421 is a deficient number, since it is larger than the sum of its proper divisors (61576139419).

431001040421 is a wasteful number, since it uses less digits than its factorization.

431001040421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570283.

The product of its (nonzero) digits is 384, while the sum is 20.

Adding to 431001040421 its reverse (124040100134), we get a palindrome (555041140555).

The spelling of 431001040421 in words is "four hundred thirty-one billion, one million, forty thousand, four hundred twenty-one".