420121304331 has 8 divisors (see below), whose sum is σ = 560400013824. Its totient is φ = 279961732200.

The previous prime is 420121304327. The next prime is 420121304423. The reversal of 420121304331 is 133403121024.

It is a happy number.

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

It is not a de Polignac number, because 420121304331 - 2² = 420121304327 is a prime.

It is a super-2 number, since 2×420121304331² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (420121304131) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29776111 + ... + 29790216.

It is an arithmetic number, because the mean of its divisors is an integer number (70050001728).

Almost surely, 2^420121304331 is an apocalyptic number.

420121304331 is a deficient number, since it is larger than the sum of its proper divisors (140278709493).

420121304331 is a wasteful number, since it uses less digits than its factorization.

420121304331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59568681.

The product of its (nonzero) digits is 1728, while the sum is 24.

Adding to 420121304331 its reverse (133403121024), we get a palindrome (553524425355).

The spelling of 420121304331 in words is "four hundred twenty billion, one hundred twenty-one million, three hundred four thousand, three hundred thirty-one".