421031003331 has 8 divisors (see below), whose sum is σ = 585782265600. Its totient is φ = 268483538312.

The previous prime is 421031003299. The next prime is 421031003363. The reversal of 421031003331 is 133300130124.

It is an interprime number because it is at equal distance from previous prime (421031003299) and next prime (421031003363).

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 421031003331 - 2⁵ = 421031003299 is a prime.

It is a super-2 number, since 2×421031003331² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 421031003298 and 421031003307.

It is not an unprimeable number, because it can be changed into a prime (421031003381) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3050949231 + ... + 3050949368.

It is an arithmetic number, because the mean of its divisors is an integer number (73222783200).

Almost surely, 2^421031003331 is an apocalyptic number.

421031003331 is a deficient number, since it is larger than the sum of its proper divisors (164751262269).

421031003331 is a wasteful number, since it uses less digits than its factorization.

421031003331 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6101898625.

The product of its (nonzero) digits is 648, while the sum is 21.

Adding to 421031003331 its reverse (133300130124), we get a palindrome (554331133455).

The spelling of 421031003331 in words is "four hundred twenty-one billion, thirty-one million, three thousand, three hundred thirty-one".