420043740331 has 8 divisors (see below), whose sum is σ = 425837113920. Its totient is φ = 414284954568.

The previous prime is 420043740329. The next prime is 420043740343. The reversal of 420043740331 is 133047340024.

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 420043740331 - 2¹ = 420043740329 is a prime.

It is a super-3 number, since 3×420043740331³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 420043740293 and 420043740302.

It is not an unprimeable number, because it can be changed into a prime (420043740371) 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, 8622501 + ... + 8671078.

It is an arithmetic number, because the mean of its divisors is an integer number (53229639240).

Almost surely, 2^420043740331 is an apocalyptic number.

420043740331 is a deficient number, since it is larger than the sum of its proper divisors (5793373589).

420043740331 is a wasteful number, since it uses less digits than its factorization.

420043740331 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17293913.

The product of its (nonzero) digits is 24192, while the sum is 31.

The spelling of 420043740331 in words is "four hundred twenty billion, forty-three million, seven hundred forty thousand, three hundred thirty-one".