431403100324021 has 8 divisors (see below), whose sum is σ = 514468293554304. Its totient is φ = 353696951818320.

The previous prime is 431403100324019. The next prime is 431403100324069. The reversal of 431403100324021 is 120423001304134.

It is a happy number.

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 431403100324021 - 2¹ = 431403100324019 is a prime.

It is a super-2 number, since 2×431403100324021² (a number of 30 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (431403100324921) 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 7 ways as a sum of consecutive naturals, for example, 1339761180970 + ... + 1339761181291.

It is an arithmetic number, because the mean of its divisors is an integer number (64308536694288).

Almost surely, 2^{431403100324021} is an apocalyptic number.

It is an amenable number.

431403100324021 is a deficient number, since it is larger than the sum of its proper divisors (83065193230283).

431403100324021 is a wasteful number, since it uses less digits than its factorization.

431403100324021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2679522362291.

The product of its (nonzero) digits is 6912, while the sum is 28.

Adding to 431403100324021 its reverse (120423001304134), we get a palindrome (551826101628155).

The spelling of 431403100324021 in words is "four hundred thirty-one trillion, four hundred three billion, one hundred million, three hundred twenty-four thousand, twenty-one".